AUDIO: What’s it like to float in sensory deprivation?

AUDIO: What's it like to float in sensory deprivation?

Alexandra Ossola has an intimate experience with her own mind, in the name of science.

Sensory deprivation is a more intense form of meditation. A person puts herself in a tub of dense, body-temperature water for hours on end, depriving herself of all sensory stimulation in the hopes of reaching a more tranquil mental state. More…

environment

What does a hibernating brain look like?

What does a hibernating brain look like?

Brian Barnes has studied questions like this for decades in Alaska — and he’s getting warmer

What does a hibernating brain look like?

Brian Barnes has studied questions like this for decades in Alaska — and he’s getting warmer

environment

When science bites back

When science bites back

The release of genetically modified mosquitoes to control dengue is still raising opposition from Key West residents

Did hunter-gatherers really spend more energy than modern humans?

An anthropologist travels to Africa to find out

environment

Gluten: Friend, foe or just a fad?

Gluten: Friend, foe or just a fad?

For healthy people, doctors warn that gluten-free may not be worth the hype

Saving the world one pill at a time

Improper medication disposal can cause some surprising problems — but reform may be on the way

environment

The future of rare earth recycling

The future of rare earth recycling

Companies are scrambling to find ways to reuse costly rare earth elements

Science and art collide in space images

What are we really seeing when we look at photos of planets and stars?