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Earth Sciences Mar 25, 2025

Ocean eddies are the food trucks of the sea: Study reveals lipidome composition of mesoscale eddies

Mesoscale eddies, oceanic gyres about 100 kilometers in diameter, are ubiquitous features of the global ocean and play a vital role in marine ecosystems. Eddies, which form in biologically productive coastal upwelling regions, ...

Evolution Mar 21, 2025

Origin of life: How a special group of single-celled organisms laid the foundation for complex cells

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments discovered gene fragments that indicated a new and previously undiscovered form of microbes.

Earth Sciences Mar 19, 2025

Scientists reveal a hidden, sunlight-driven source of a potent greenhouse gas

The term greenhouse gas often brings carbon dioxide (CO2) to mind, and rightly so, as it is a key contributor to rising global temperatures. However, a more potent pollutant and greenhouse gas that often gets overlooked is ...

Evolution Mar 3, 2025

Introducing Evo 2, a predictive and generative genomic AI for all domains of life

Researchers at the Arc Institute, Stanford University, and NVIDIA have developed Evo 2, an advanced AI model capable of predicting genetic variations and generating genomic sequences across all domains of life.

Astrobiology Feb 25, 2025

Mission concept proposes sampling Enceladus's subsurface ocean

How can we explore Saturn's moon, Enceladus, to include its surface and subsurface ocean, with the goal of potentially discovering life as we know it? This is what a recent study presented at the American Geophysical Union ...

Ecology Feb 12, 2025

Symbiotic bacteria ride along with single-celled protists in ocean's upper layer

Just as the human body serves as a habitat for bacteria and other microbes, diverse, tiny organisms known as protists host their own microbiomes.

Cell & Microbiology Feb 11, 2025

Mirror life is a scientific fantasy leading to a dangerous reality. How mirror bacteria could conquer life on Earth

Most major biological molecules, including all proteins, DNA and RNA, point in one direction or another. In other words, they are chiral, or handed. Like how your left glove fits only your left hand and your right glove your ...

Cell & Microbiology Feb 10, 2025

Scientists isolate ultrasmall bacteria that parasitize methanogenic archaea

AIST researchers, in collaboration with JAMSTEC, Hokkaido University and Tohoku University, have succeeded in cultivating an ultrasmall bacterial strain parasitizing archaea and classified the strain PMX.108T as a new species ...

Astrobiology Feb 6, 2025

Efforts to find alien life could be boosted by simple test that gets microbes moving

Finding life in outer space is one of the great endeavors of humankind. One approach is to find motile microorganisms that can move independently, an ability that is a solid hint for life. If movement is induced by a chemical ...

Molecular & Computational biology Feb 3, 2025

High-yield rice breed emits up to 70% less methane

Rice cultivation is responsible for around 12% of global methane emissions, and these emissions are expected to increase with global warming and as the human population continues to grow.

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