Portside

Each cell in your body relies on precise communication with other cells to function properly. At the center of this process are the molecular switches that turn communication signals in the body on and off.

Darwin's theory of natural selection provides an explanation for why organisms develop traits that help them survive and reproduce. Because of this, death is often seen as a failure rather than a process shaped by evolution.

How does exercise benefit health? Molecules called exerkines partly regulate its effects and provide therapeutic targets to mimic the benefits of exercise.

A new study is “a bit of a counterweight to the endless hyperbole about how incredibly complex and powerful the human brain is,” one researcher said.

Research on so-called mirror cells, which defy fundamental properties of living organisms, should be prohibited as too dangerous, biologists said.

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Microbes in the environment, not fossil fuels, have been driving the recent surge in methane emissions globally, according to a new, detailed analysis published Oct 21 in the Proceedings of the National Academy of Sciences by CU Boulder researchers

Researchers are rethinking what they know. Across the animal kingdom, models have vastly underestimated the energy females invest in reproduction. A lack of women in the field might have led researchers to pay less attention to the costs.

Using Google’s AlphaFold, researchers identified the bundle of three sperm proteins that seem to make sexual reproduction possible.