Search results for primitive organisms

Astrobiology Mar 28, 2024

Cosmochemistry: Why study it? What can it teach us about finding life beyond Earth?

Universe Today has had some fantastic discussions with researchers on the importance of studying impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, and planetary geophysics, ...

Cell & Microbiology Mar 25, 2024

Stem cell model offers first glimpse of early human development

It's one of life's most defining moments—that crucial step in embryonic development, when an indistinct ball of cells rearranges itself into the orderly three-layered structure that sets the stage for all to come. Known ...

Astronomy Mar 13, 2024

Webb finds ethanol and other icy ingredients for new worlds

An international team of astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a variety of molecules, ranging from relatively simple ones like methane to complex compounds like acetic acid and ethanol, ...

Cell & Microbiology Mar 6, 2024

First atom-level structure of packaged viral genome reveals new properties and dynamics

A computational model of the more than 26 million atoms in a DNA-packed viral capsid expands our understanding of virus structure and DNA dynamics, insights that could provide new research avenues and drug targets, University ...

Evolution Mar 4, 2024

Modeling the origins of life: New evidence for an 'RNA World'

Charles Darwin described evolution as "descent with modification." Genetic information in the form of DNA sequences is copied and passed down from one generation to the next. But this process must also be somewhat flexible, ...

Social Sciences Feb 13, 2024

The San people of southern Africa: Where ethics codes for researching indigenous people could fail them

There is a long and often complicated history of researchers studying Indigenous people. In 1999, the education scholar Linda Tuhiwai-Smith, in her book "Decolonizing Methodologies: Research and Indigenous Peoples, "emphasized ...

Biochemistry Feb 12, 2024

Team demonstrates fabrication method to construct 3D structures that mimic bone microstructure

Scientists have combined laser 3D printing technology and an alternate soaking process to construct complex 3D structures that mimic bone microstructure. This is the first demonstration of this fabrication method, and it ...

Ecology Jan 29, 2024

'Everyone can be a naturalist' says the man who preserved more than 150,000 acres

Suburban environs can be dull. Lawns and roads don't offer much biodiversity for curious boys. But Charles Bier, a recently retired senior director of conservation science for the Western Pennsylvania Conservancy, found a ...

Evolution Jan 24, 2024

A virus that infected animals hundreds of millions of years ago has become essential for the development of the embryo

All animals have evolved thanks to the fact that certain viruses infected primitive organisms hundreds of millions of years ago. Viral genetic material was integrated into the genome of the first multi-cellular beings and ...

Biochemistry Jan 24, 2024

Chemists use blockchain to simulate more than 4 billion chemical reactions essential to origins of life

Cryptocurrency is usually "mined" through the blockchain by asking a computer to perform a complicated mathematical problem in exchange for tokens of cryptocurrency. But in research appearing in the journal Chem a team of ...

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