Health

Interval training works. Here's the scientific proof

Home remedies for insomnia

Walt Whitman's health advice from 150 years ago rings true today

Why are yoga poses named after animals?

New NASA map forecasts Zika risk

Is your nail polish dangerous?

21 things I learned by going outside every day

7 TED talks that will help you find happiness

Why Harvard is investing millions in happiness

What is a bed bug's favorite color?

Did researchers find a cure for allergies and asthma?

Tim Peake completes the London Marathon from space

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