From DAAD Summer School to Doctorate: Reflections at ICON 9
Hi! I am Riel Carlo O. Ingeniero from the Chemical Oceanography Department at GEOMAR. I recently had the opportunity to attend ICON 9 (International Conference on Nitrification and Related Processes) last July 2025, one of the leading conferences focused on advances in the nitrogen cycle. It was an honour to be selected to present my research twice – first during the Early Career Workshop on the opening day, and then through a poster presentation on the second day of the main conference.
ICON 9 brought together many of the most prominent names in marine nitrogen cycle research. I was fortunate to meet and engage with inspiring scientists, including Dr. Boran Kartal, Dr. Hanna Marchant from the Max Planck Institute in Bremen, Dr. Claudia Frey from the University of Vienna, Dr. Scott Wankel from Woods Hole Oceanographic Institution, Dr. Bo Thamdrup from the University of Southern Denmark, and Dr. Qixing Ji from HKUST. I also had the chance to see Dr. Bess Ward in person, someone whose work I’ve long admired.
The conference was hosted by the Max Planck Institute for Marine Microbiology in Bremen, a place that holds deep personal significance. I first visited it 13 years ago during a DAAD International Summer School Biodiversity: Diversity of Ecosystems, Genes, and Species at the University of Osnabrück. That visit, including a tour of the Max Planck Institute and MARUM led by Prof. Dr. Rudolf Amann, played a pivotal role in my decision to pursue a career in marine science.
I recently completed my doctorate at Kiel University in June this year, and I am incredibly grateful for the excellent education and world-class research environment that Germany offers. Under the supervision of Prof. Dr. Hermann W. Bange and funded by the DAAD Research Grants – Doctoral Programmes in Germany and the SO305-BIOCAT-IIOE2 project, I have had the opportunity to work on cutting-edge research in marine biogeochemistry, with a particular focus on nitric oxide (NO) dynamics in the ocean.
Presenting in front of over 100 participants during the ICON 9 was not only a rewarding experience but also excellent preparation just days before my doctoral defense and oral examination. Overall, ICON 9 was a meaningful and inspiring milestone, a full-circle moment in my scientific career.
Special thanks to FYORD and Kiel Marine Science for supporting my growth as an early-career marine scientist.
Riel Carlo
15th International Conference on Palaeoceanography, India
When my Uber wound through the chaotic traffic of Bengaluru at 2 am, I knew this conference would be different from the ones I was used to in Germany. I had just arrived in India for the 15th International Conference on Palaeoceanography (ICP15), supported by the FYORD Travel Grant, and was about to spend a week combining science with new cultural impressions.
ICP is a conference with a unique size and structure. It takes place only every three years, and everyone in the field is looking forward to the meeting – indeed, it rather feels more like a “big get-together” than a conference. The program is linear, with one topic per day and no parallel sessions. This allows for focus and provides more room for discussions. I also had the feeling that this format is more comfortable for Early Career Scientists. You don´t have to plan a lot in advance, and you never feel like you´re missing out on anything. But perhaps the best way to capture the spirit of ICP is to take you on a walk through a typical day:
The days started with a short ride in one of the green-yellow tuk-tuks to the conference venue, which was located in one of the few green spots of the city on the campus of the Indian Institute of Science. The mornings were covered by talks by invited speakers. Actually all talks at ICP are only given by invited speakers, and you can only be selected for a talk once in a lifetime! Accordingly, we were able to enjoy some excellent presentations. Before lunch, there was a long plenum discussion with the five speakers from the morning. It was not only a great opportunity to hear different opinions on specific sub-topics, but also to show the connections between different talks, highlighting the most urgent research topics and gaps different groups are currently working on.
During lunch break, we could choose between a variety of typical Indian foods. Even though the chefs took care that the food was not too spicy for the foreign wimps, you never knew if you would sweat after the next bite. The highlight was definitely the daily Dosa, a South Indian speciality: It´s a thin, savory and crispy fried pancake made from fermented dough served with chutneys and sambars.
Long poster-sessions took place in the afternoons. All posters were put up during the whole week, which is also a big difference from huge conferences, where you usually just have a slot of one day or a few hours. It was enough time to look at the other posters, get inspired and exchange ideas. I also presented a poster with the results of the first two years of my PhD, in which I investigate climatically controlled changes in sedimentation at a site in the Southern Ocean close to Antarctica. We were able to link these changes on glacial-interglacial time scales with the ocean circulation and gain insights into the evolution of deep-water formation during times of rapid warming. Onall days, I had fruitful discussions about my work with experts in the field.
Each day was concluded with a perspective lecture by leading scientists fromthe different fields. These lectures were inspiring and an amazing summary, as they provided a broader context and deep insights into challenges and directions of palaeoceanographic research.
With the end of the scientific program, networking was not over yet, but had just started. The evenings offered a great opportunity to approach people and get into contact in a casual atmosphere. Whether at the icebreaker, conference banquet or at the Palaeomusicology Concert – another ICP tradition, which goes back to Nicholas Shackleton, paleoceanographer and skilled clarinet player. It´s an evening where the musical ones among the scientists show their skills. Singing, bagpipes, and even a small spontaneously formed band made the evening unforgettable!
Looking back, I am grateful for the opportunity to attend ICP15 with the support of the FYORD Travel Grant. It was both a scientific and cultural experience, and a great chance to meet old and new friends and colleagues. I can highly recommend ICP to other early career researchers in the field due to its unique format and special atmosphere!
Moritz
Gordon Research Conference in Animal-Microbe Interactions
My name is Igor Duarte, and I am a third-year PhD student at the Marine Symbiosis Lab, where we explore the origins and molecular novelties of close associations between bacteria and marine animals. The partnership I am mostly focused on in my PhD is between a free-living, mouthless flatworm from the genus Paracatenula, and the chemosynthetic bacteria from the genus Candidatus Riegeria that live inside its cells. In this system where no mouth is present to let nutrients in, the bacteria and are chemosynthetic, which means. After hundreds of millions of years of coevolution, this highly specialised symbiosis is now the only way by which each of these organisms can survive, and a topic of high interest to understand the evolution of such longstanding partnerships.
The FYORD Travel Grant programme supported my participation in the Gordon Research Conference (GRC) in Animal-Microbe Interactions, which this year took place in Portland, Maine, USA. Throughout the five days of the Conference, about 180 attendees from all over the world shared their main findings from the field of symbiosis, including the topics microbiome, intracellular microorganisms, parasitism, and evolution and molecular novelties of symbiotic associations. Additionally, the event was combined with a Gordon Research Seminar, which allowed early-career researchers to network more freely and exchange experiences from each one’s PhD and postdoctoral trajectories. I had the opportunity to present a poster entitled “Clade-specific genome evolution of Ca. Riegeria, the obligatory endosymbiont of a mouthless flatworm”, where I summarised the latest results from my PhD project.
What I liked most about participating in this conference was how nicely it was conceptualised, with the goal of creating a relaxed environment to foster relevant connections between new and veteran attendees. In such a set-up, not only was I introduced to cutting-edge methods which are being used to answer relevant questions from the field, but I also had the opportunity to discuss them directly with the authors. Another positive aspect was that the speakers were encouraged to share problems that they faced during their experiments to show what real science looks like and to showcase how such issues can be overcome. Overall, I believe the conference was a game-changer for my PhD as I could get to know the main researchers in the field, whom I had so far only read about, and build the feeling of being part of a diverse community of symbiosis-enthusiasts.
Igor
Between all the scientific work, we celebrated Easter on board, although the weather had other plans for us. Due to rough conditions, we weren’t able to carry out any CTD casts.
Easter itself was spent in a mix of rest and small celebrations. Some of us enjoyed a long Easter breakfast with traditional Easter bread, while others took the opportunity to sleep in. In the evening, we gathered with both crew and scientists for a small celebration. The ship’s cook even organized a quiz, and those who answered correctly were rewarded with Easter chocolate.
The next day, the weather improved, and we began early with the recovery of K1, a 3,495-meter-long mooring in the middle of the Labrador Sea.
We joined the nautical officers on the bridge before sunrise to search for it. Fortunately, K1 has a floating buoy with a light, so we were able to spot it even in the dark. The actual recovery started at first light, and it began to snow while we were working.
Amid all the CTDs and mooring operations, there was also a personal highlight: my (Sarah’s) birthday. Although I’ve spent birthdays away from home before, this one felt especially unique, being so far out at sea, with only limited internet contact.
Normally, I work the 4-8 shift, but my incredibly kind shift team gave me the morning off. That meant I could sleep in and even find time to call family and friends back home. In the afternoon, I was surprised with my favourite cake, baked by Julia.
Our work continued with the mooring array at 53°N, which consists of seven moorings. So far, we have recovered five (K7, K8, K9, DSOW1 and DSOW2), and three of them have already been redeployed (K7, K8 and DSOW1,).
Deploying K7 turned out to be particularly tricky. On our first attempt, sea ice drifted toward us faster than expected, forcing us to recover nearly half of the mooring again. While the ship itself can handle drifting ice, deploying a mooring is much more delicate: a long cable with instruments and floats is released behind the ship before the anchor is dropped, allowing the system to sink into place.
Two days later, we tried again and this time, the deployment was successful.
Afterwards, we moved closer to the sea ice, which was a highlight for many of us. Seeing the ice up close and even spotting a seal swimming nearby, made the experience unforgettable.
Due to the continuing harsh weather, the decision was made to return to K1 and make use of an upcoming weather window for deployment the following day.
German:
Zwischen Stürmen und Wissenschaft: Ostern in der Labradorsee (04.04.26 – 13.04.26)
Zwischen all der wissenschaftlichen Arbeit haben wir Ostern an Bord gefeiert, auch wenn das Wetter andere Pläne für uns hatte. Aufgrund der rauen Bedingungen konnten wir keine CTD-Messungen durchführen (Messungen von Leitfähigkeit, Temperatur und Tiefe im Ozean).
Ostern selbst war eine Mischung aus Erholung und kleinen Feierlichkeiten. Einige von uns genossen ein ausgedehntes Osterfrühstück mit traditionellem Osterbrot, während andere die Gelegenheit nutzten, etwas länger zu schlafen. Am Abend kamen Crew und Wissenschaftler*innen zu einer kleinen Feier zusammen. Der Koch organisierte sogar ein Quiz, und wer die Fragen richtig beantwortete, wurde mit Oster-Schokolade belohnt.
Am nächsten Tag besserte sich das Wetter, und wir begannen früh mit der Bergung von K1, einer 3.495 Meter langen Verankerung mitten in der Labradorsee. (Eine Verankerung ist eine lange, am Meeresboden befestigter Draht, der mit Instrumenten ausgestattet ist, um über längere Zeit Ozeandaten zu messen.)
Noch vor Sonnenaufgang gingen wir mit den nautischen Offizieren auf die Brücke, um nach ihr Ausschau zu halten. Glücklicherweise verfügt K1 über eine schwimmende Boje mit Licht, sodass wir sie bereits im Dunkeln entdecken konnten. Die eigentliche Bergung begann bei Tagesanbruch und es begann sogar zu schneien.
Zwischen all den CTD-Einsätzen und Verankerungsarbeiten gab es auch ein persönliches Highlight: meinen (Sarahs) Geburtstag. Obwohl ich schon öfter Geburtstage fernab von zu Hause verbracht habe, war dieser besonders, so weit draußen auf dem Meer und mit nur eingeschränktem Internetkontakt.
Normalerweise arbeite ich in der 4-8 Uhr Schicht, aber mein unglaublich nettes Schichtteam hat mir den Morgendienst freigegeben. So konnte ich etwas länger schlafen und hatte sogar Zeit, mit Familie und Freunden zu Hause zu telefonieren. Am Nachmittag wurde ich dann noch mit meinem Lieblingskuchen überrascht, den Julia für mich gebacken hat.
Unsere Arbeit ging weiter mit dem Verankerungs-Array bei 53°, das aus sieben Verankerungen besteht. Bisher haben wir fünf geborgen (DSOW1, DSOW2, K7, K8 und K9), von denen drei bereits wieder ausgebracht wurden (DSOW1, K7 und K8).
Das Ausbringen von K7 erwies sich als besonders schwierig. Beim ersten Versuch trieb das Meereis schneller auf uns zu als erwartet, sodass wir fast die Hälfte der Verankerung wieder einholen mussten. Obwohl das Schiff selbst gut durch treibendes Eis navigieren kann, ist das Ausbringen einer Verankerung deutlich anspruchsvoller: Dabei wird ein langer Draht mit Messinstrumenten und Auftriebskörpern hinter dem Schiff ausgesetzt, bevor am Ende der Anker gelöst wird und das gesamte System absinkt.
Zwei Tage später versuchten wir es erneut, diesmal mit Erfolg.
Anschließend fuhren wir näher an das Meereis heran, was für viele von uns ein besonderes Highlight war. Das Eis aus nächster Nähe zu sehen und sogar eine Robbe in der Nähe schwimmen zu beobachten, machte das Erlebnis unvergesslich.
Aufgrund der weiterhin rauen Wetterbedingungen wurde schließlich entschieden, zu K1 zurückzukehren, um ein bevorstehendes Wetterfenster für die Ausbringung am nächsten Tag zu nutzen.
Between Storms and Science: Easter in the Labrador Sea (04.04.26–13.04.26)
Ocean Acidification
Humans Just Flew Around the Moon This Week. But Would Babies Born There Ever Truly Feel Gravity? Ask Jellyfish Babies.
This week, NASA’s Artemis II crew made history by flying around the Moon and returning safely to Earth, the first human journey to the Moon’s vicinity in more than 50 years. It was a stunning reminder that humanity is no longer just dreaming about living beyond Earth. We are actively rehearsing for it.
And that leads to a much stranger, deeper question: even if one day we build skyscrapers on the Moon, raise families there, and turn space into a place to live, will babies born away from Earth develop a normal sense of gravity? Or will their bodies learn the universe differently?
To explore that question, NASA once turned to an unexpected stand-in for human babies: jellyfish babies. On the STS-40 mission, scientists sent thousands of tiny jellyfish polyps into space because jellyfish, like humans, rely on gravity-sensing structures to orient themselves. The experiment asked a simple but profound question: if a living body develops in microgravity, will it still know how to handle gravity later?
The answer was both fascinating and unsettling. The jellyfish developed in space in large numbers, but once back under Earth’s gravity, the ones that had developed in microgravity showed far more pulsing abnormalities than the Earth-grown controls. In other words, their bodies formed, but their sense of balance did not seem to work quite the same way.
That is why this old jellyfish experiment still matters today. Before we imagine lunar cities, schools, nurseries, and generations born off-world, we need to ask not only whether humans can survive in space, but whether developing there changes how the body understands something as basic as up, down, and movement. Jellyfish babies cannot tell us everything about human children, but they may have given us one of the first clues that life born beyond Earth might not come home unchanged.
Reference: https://nlsp.nasa.gov/view/lsdapub/lsda_experiment/0c10d660-6b12-573d-8c3b-e20e071aed3b
Image: GEOMAR, Sarah Uphoff
After a slight delay of the Maria S. Merian caused by late-arriving containers our research cruise MSM142 finally got underway. By last Tuesday (24.03.2026), the full scientific team had arrived in Nuuk, the capital of Greenland, and the ship reached port on Wednesday (25.03.2026) morning. That same day, scientists and technicians moved on board and immediately began preparations, assembling and testing our instruments. Although the mornings on Wednesday and Thursday were grey and overcast, the afternoons cleared up beautifully. This gave us valuable time to organize equipment on deck and store empty boxes back into the containers before departure.
Given the forecast of harsh conditions outside the fjord, we carried out the mandatory safety drill while still in harbour. This included practicing emergency procedures and boarding the lifeboat. After completing border control, we were finally ready to leave Nuuk. We set sail on March 27th, heading into the Labrador Sea to begin our mission. Even before starting scientific operations, we tested the setup for deploying our gliders without releasing them during the transit out of the fjord. Once we reached open waters, we were met by high waves the following morning. For some on board, this was their first experience under such rough sea conditions. Seasickness quickly became a challenge for a few, while scientific work had to be temporarily postponed due to the strong winds and sea conditions. Together with the crew, we discussed how best to adapt our measurement plans to the given weather conditions. On March 29th, we were finally able to begin our scientific program with the first CTD deployment. A CTD is an instrument used to measure conductivity, temperature, and depth, which are key parameters for understanding ocean structure.
During the following night, we continued with additional CTD stations and successfully recovered two moorings: DSOW 3 and DSOW 4, located south of Greenland. These moorings carry instruments at various depths that measure velocity, temperature, and salinity. DSOW 4 was redeployed on the same day, while DSOW 3 followed the next day. In addition, the bottles attached to the CTD’s rosette can be used to collect water samples from any desired depth. These samples can be used, for example, to determine the oxygen content, nutrient levels, and organic matter.
Both are part of the OSNAP array, a network of moorings spanning the subpolar North Atlantic. On these moorings are a few instruments, for example microcats which measure temperature, pressure and salinity.
We then conducted around 25 CTD stations spaced approximately 3 nautical miles apart across an Irminger ring identified from satellite data. This high-resolution sampling was necessary to capture the structure of an Irminger Ring, which had a radius of about 12 km wide.
The days leading up to April 2nd were marked by very rough weather conditions. Life on board became both challenging and, at times, unintentionally entertaining sliding chairs were not uncommon. During the night from April 1st to April 2nd, winds reached 11 Beaufort with gusts up to 65 knots, forcing us to pause our measurements. Fortunately, conditions improved by morning, allowing us to resume our work. As well as with the help of the crew we had to adapt to the harsh weather conditions to continue our scientific work. On the 3rd of April, we were able to deploy a few gliders and one float. An ocean glider is an autonomous underwater Vehicle, which you can steer remotely and send to different locations, while it is measuring oceanographic key parameters.
This research cruise focuses on understanding small-scale processes in the ocean and their connection to the spring bloom, an essential phase in marine ecosystem in subpolar regions. Despite the challenging start, we have already gathered valuable data and look forward to the weeks ahead in the Labrador Sea.
-
Climate Change8 months ago
Guest post: Why China is still building new coal – and when it might stop
-
Greenhouse Gases8 months ago
Guest post: Why China is still building new coal – and when it might stop
-
Greenhouse Gases2 years ago嘉宾来稿：满足中国增长的用电需求 光伏加储能“比新建煤电更实惠”
-
Climate Change2 years ago
Bill Discounting Climate Change in Florida’s Energy Policy Awaits DeSantis’ Approval
-
Climate Change2 years ago嘉宾来稿：满足中国增长的用电需求 光伏加储能“比新建煤电更实惠”
-
Climate Change Videos2 years ago
The toxic gas flares fuelling Nigeria’s climate change – BBC News
-
Renewable Energy6 months agoSending Progressive Philanthropist George Soros to Prison?
-
Carbon Footprint2 years agoUS SEC’s Climate Disclosure Rules Spur Renewed Interest in Carbon Credits