Skepticism about claim human ancestors nearly went extinct
Could the lives of the eight billion people currently on Earth have depended on the resilience of just 1,280 human ancestors who very nearly went extinct 900,000 years ago?
Could the lives of the eight billion people currently on Earth have depended on the resilience of just 1,280 human ancestors who very nearly went extinct 900,000 years ago?
Evolution
Sep 15, 2023
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465
Scientists have found a counterintuitive wrinkle in the way bacteria spread antibiotic-resistant genes through small circular pieces of DNA called plasmids.
Cell & Microbiology
Sep 14, 2023
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83
Rivers are warming and losing oxygen faster than oceans, according to a Penn State-led study published in the journal Nature Climate Change. The study shows that of nearly 800 rivers, warming occurred in 87% and oxygen loss ...
Environment
Sep 14, 2023
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113
Understanding the interactions between materials and chemical species is critical for engineers as it helps them determine their best uses for both day-to-day life and global-level applications.
Condensed Matter
Sep 11, 2023
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38
A study conducted at the Center for Research, Education and Innovation in Vitreous Materials (CeRTEV) in São Carlos, São Paulo state, Brazil, shows for the first time that including niobium oxide (Nb2O5) in silicate glass ...
General Physics
Sep 6, 2023
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2
Weeds have always been a significant problem for agriculture. They compete with crops for resources such as light, water and nutrients, which can result in severe yield losses.
Molecular & Computational biology
Aug 18, 2023
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1
Scientists have conducted the first ever 3D simulation of a star's entire evolutionary phase thanks to new simulation technologies.
Astronomy
Aug 14, 2023
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52
Everyone has scents that naturally appeal to them, such as vanilla or coffee, and scents that don't appeal. What makes some smells appealing and others not?
Biotechnology
Aug 8, 2023
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43
Humans have been entranced by the unique beauty and physical properties of glass, producing jewelry, containers, and tools from the material for millennia. However, the physics underlying the phenomenon of glass formation ...
Condensed Matter
Aug 8, 2023
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142
Tropical forests often harbor hundreds of species of trees in a square mile, but scientists often struggle to understand how such a diversity of species can coexist. In a study published in Science, researchers at The University ...
Plants & Animals
Aug 3, 2023
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90