AI tool predicts the work rate of enzymes

Enzymes play a key role in cellular metabolic processes. To enable the quantitative assessment of these processes, researchers need to know the so-called "turnover number" (for short: kcat) of the enzymes. In the journal ...

What's driving re-burns across California and the West?

Seasonal temperature, moisture loss from plants and wind speed are what primarily drive fires that sweep across the same landscape multiple times, a new study reveals. These findings and others could help land managers plan ...

Paleontology: No supersonic boom for dinosaur tails

Diplodocids—large herbivorous dinosaurs with long necks and tails—may have been able to move their tails like bullwhips at speeds of up to 33 meters per second (more than 100 kilometers per hour), according to a modeling ...

How to test whether we're living in a computer simulation

Physicists have long struggled to explain why the universe started out with conditions suitable for life to evolve. Why do the physical laws and constants take the very specific values that allow stars, planets and ultimately ...

A giant black hole that spins slower than its peers

Astronomers have made a record-breaking measurement of a black hole's spin, one of two fundamental properties of black holes. NASA's Chandra X-ray Observatory shows this black hole is spinning slower than most of its smaller ...

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