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News about Climate Change and our Planet

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How Biden’s Climate Ambitions Could Shift America’s Global Footprint – The New York Times

President Joseph R. Biden on Wednesday said climate change should be regarded as “an essential element of U.S. foreign policy and national security.” That is likely to bring big changes for America’s role in the world. That the Biden administration…

Spontaneous cell fusions amplify genetic diversity within tumors

Scientists generally believe that cancers lack a powerful and important diversification mechanism available to pathogenic microbes – the ability to exchange and recombine genetic material between different cells. However, researchers now demonstrate that this belief is wrong and that cancer cells are capable of exchanging and recombining their genetic material with each other through a mechanism mediated by cell fusions.

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See how they run: ‘Exercise protein’ doubles running capacity, restores function and extends healthy lifespans in older mice

A new study shows that humans express a powerful hormone during exercise and that treating mice with the hormone improves physical performance, capacity and fitness. Researchers say the findings present new possibilities for addressing age-related physical decline.

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See how they run: ‘Exercise protein’ doubles running capacity, restores function and extends healthy lifespans in older mice

A new study shows that humans express a powerful hormone during exercise and that treating mice with the hormone improves physical performance, capacity and fitness. Researchers say the findings present new possibilities for addressing age-related physical decline.

See how they run: ‘Exercise protein’ doubles running capacity, restores function and extends healthy lifespans in older mice

A new study shows that humans express a powerful hormone during exercise and that treating mice with the hormone improves physical performance, capacity and fitness. Researchers say the findings present new possibilities for addressing age-related physical decline.

Antibiotic resistance may spread even more easily than expected

Pathogenic bacteria in humans are developing resistance to antibiotics much faster than expected. Now, computational research shows that one reason could be significant genetic transfer between bacteria in our ecosystems and to humans. This work has also led to new tools for resistance researchers.

RNA’s mysterious folding process

Using data from RNA-folding experiments, the researchers generated the first-ever data-driven movies of how RNA folds as it is made by cellular machinery. By watching their videos of this folding occur, the researchers discovered that RNA often folds in surprising, perhaps unintuitive ways, such as tying itself into knots.