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Isa Ozdemir

Senior Scientific Editor

Isa is the editor of 9 Breaks:

SARS-CoV-2 induces a sub-optimal immune response that is permissive for viral evolution

The immune system generates antibodies upon infection. However, severe SARS-CoV-2 infection impairs the evolution of antibodies that can bind more tightly to the virus as the immune response progresses. The failure of this evolutionary process in patients generates a suboptimal immune response that might be permissive for the emergence of dangerous variants.

Aug 13, 2021 | 3 min read
A mysterious reawaking of the world’s tallest geyser from decades of sleep

The world’s tallest geyser began frequently erupting in 2018. Despite many decades of study, basic questions about geyser formation, structure, and eruptive behavior remain unanswered. We investigated potential causes for the geyser’s reactivation and created a model to explain why some geysers sputter while others reach magnificent heights.

Aug 10, 2021 | 4 min read
Non-cuttable material inspired by seashells

We created the first non-cuttable material by mimicking the unique shell structures of the abalone sea creature. The material dynamically interacts with cutting tools turning their own energy back against them. Such hierarchical material systems, akin to natural organisms, but made of metal, ceramics and high-performance fibers, could provide a rich array of material technologies for the future.

Jul 21, 2021 | 3.5 min read
From days to hours: detecting SARS-CoV-2 neutralizing antibodies

After SARS-CoV-2 infection, our body produces antibodies that can defend us against the virus upon infection. However, not all antibodies act similarly - some antibodies can stop virus infection, while others cannot. To quickly differentiate these antibodies, we devised a simple test that can easily determine the presence of neutralizing antibodies within hours.

Jun 14, 2021 | 4 min read
Crop yield responses to conservation agriculture in Africa

Authorities have promoted conservation agriculture as a panacea for sustainable intensification of food production in Africa. Yet, claims that it increases crop yields on African farms remain controversial. Although conservation agriculture helps to control soil degradation, it is not a technology for African smallholder farmers to overcome low crop productivity and insecurity in the short term.

Mar 24, 2021 | 3.5 min read
Win-waste: an alarming strategy

Currently available models underestimate global food waste. We developed a new method to estimate how much food is wasted at a country level. Comparison with estimates based on US consumer surveys shows that the approach can reasonably reproduce the results with much less data.

Mar 9, 2021 | 3.5 min read