Tipping points are the death of ecosystems. So scientists watch as warning signs gradually worsen until an ecosystem reaches the point of no return, when animal populations suddenly collapse. While tipping points can sometimes ...
Ecology
47 minutes ago
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From the bright lights of cities that don't sleep—where people hustle and bustle through the night to keep subways, servers, and supply chains alive—to the whisper-dark understory of tropical forests where ants hum in ...
Ecology
1 hour ago
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Bacteria carry countless hidden treasures in their DNA—fragments that could hold the key to new medicines. But how do you pick out the most promising ones from millions of options? "Look at the switches that turn genes ...
Cell & Microbiology
1 hour ago
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A team of researchers, led by Professor Chae Un Kim from the Department of Physics at UNIST, has successfully tracked the catalytic pathway of carbonic anhydrase II (CAII), an enzyme that converts carbon dioxide (CO2) into ...
Biotechnology
1 hour ago
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Your DNA is continually damaged by sources both inside and outside your body. One especially severe form of damage called a double-strand break involves the severing of both strands of the DNA double helix.
Molecular & Computational biology
1 hour ago
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Stanford University researchers report the discovery of eight previously unknown genes that, when expressed in tobacco leaves, reconstitute the Taxol precursor baccatin III at levels matching its natural abundance in yew ...
A study from the University of Vienna reveals that sea anemones use a molecular mechanism known from bilaterian animals to form their back-to-belly body axis. This mechanism ("BMP shuttling") enables cells to organize themselves ...
Evolution
3 hours ago
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