Animals

Different interactions with dogs, such as playing or embracing, uniquely alter brain activity, improving stress relief and focus.

Roughly 1,000 Hudson River Eel project volunteers net, count, and release about two million juvenile American eels per migrating season.

Conspirators used the genetic material of Marco Polo argali sheep from Kyrgyzstan to breed entirely new animals.

Plus other weird things we learned this week.

The findings highlight long-standing biases in how biologists categorize mammals.

‘It’s very Victorian Era thinking about gender roles.’