91色情片

Mind fuel: Can you think yourself thinner?

Is it possible to burn calories by thinking really hard? The answer depends on how much energy your brain uses

grey squirrel with an apple

This week鈥檚 new questions

A vineyard hugs the rolling hills in California's Central Valley with the Coast Ranges in the background.

Environment

California has huge environmental inequality 鈥� here’s how to fix it

Environment

Art prints made using rain, fog and snow reveal the nature of water

Spotify tackles doggy distress with its latest podcast

Tom Gauld on how to build the coolest lab on campus

Twisteddoodles on science being all too relatable

Humans

Here’s how to make your own tofu for Chinese New Year

How a NASA intern discovered a planet on his third day in the office

Poetic prediction: Is there any truth to the ‘red sky at night’ adage?

Red sky at night, shepherds' delight... the saying does have some truth to it, and our readers explain why

Come clean: What’s the difference between shampoo and shower gel?

This week’s new questions

Humans

Here’s the secret to the ultimate thrill ride according to science

Environment

People have built a glacier in the desert using a huge tower of ice