Lab study solves textbook problem: How cells know their size

Scientists have searched for years to understand how cells measure their size. Cell size is critical. It's what regulates cell division in a growing organism. When the microscopic structures double in size, they divide. One ...

Researchers develop cryogenic coffee grinding technology

Skoltech Ph.D. Dima Smirnov and his colleagues from St. Petersburg, Alexander Saichenko, Vladimir Dvortsov, Mikhail Tkachenko, and Maxim Kukolev developed a cryogenic cooling technology and combined it with a cryogenic grinding ...

Megafauna extinction mystery unlocked

The rapid extinction of giant animals including wombat-like creatures as big as cars, birds more than two meters tall, and lizards more than seven meters long that once roamed the Australian continent is a puzzle that has ...

Solving the mammal brain size puzzle

A new study has revealed a surprising lack of support for widely-held explanations of why some mammals evolve larger brains than expected for their body size.

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