What does the sperm whale say?

What does the sperm whale say?

When a team of researchers began listening in on seven sperm whales in the waters off the Azores, they discovered that the whales’ characteristic tapping sounds serve as a form of individual communication. But what are they actually saying? “They clearly...
Polar Bear Outlook Favorable Under Certain Scenarios

Polar Bear Outlook Favorable Under Certain Scenarios

In an updated study evaluating threats to the long-term persistence of polar bears, scientists found that aggressive greenhouse gas mitigation could greatly reduce the chance of a substantial decline in the worldwide polar bear population. The polar bear, a species...
The large-scale stability of chromosomes

The large-scale stability of chromosomes

“Interphase” refers to the period in the cell cycle in which chromosomes spend most of their time. During this phase, in between mitoses, chromosomes live “dissolved” in the nucleus where they carry out the processes required for the...

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