Space travel disclaimer: You might die from cancer

Enthusiasm to send people to Mars may dampen knowing the health risks of exposure to space radiation — something we still don’t know how to fix

Space travel disclaimer: You might die from cancer

Elon Musk told the world last month that SpaceX will be ready to land people on Mars in seven years. He might have plans for a big, shiny, new rocket, but he still hasn’t resolved the threat of galactic cosmic rays, another idea no longer relegated to the realm of science fiction.

These rays are far-flung space radiation: high-energy particles, stripped of their electrons, raining out from other solar systems at nearly the speed of light. Outside the protective magnetic field of Earth, humans are vulnerable to a slew of nasty health risks following exposure.

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environment

Everything but the InSinkErator

Everything but the InSinkErator

Garbage disposals could pave the way for a zero-waste future if we can get over our fear of clogs

The air pollution from Hurricane Harvey is really, really bad, people

After Hurricane Harvey, factories nearby released unprecedented amounts of air emissions

environment

PODCAST: Sensing teamwork

PODCAST: Sensing teamwork

Scientists pinpoint how chemicals drive social behavior in ants

PODCAST: Sensing teamwork

Scientists pinpoint how chemicals drive social behavior in ants

environment

Hey gang, crystals will not cure your cancer

Hey gang, crystals will not cure your cancer

It turns out that the best medicine is medicine

Science has a negativity problem

Exciting new discoveries get all the attention — leaving just-as-important negative results in the dust. And fixing the problem is easier said than done.

environment

Artificial intelligence pioneers need to stop obsessing over themselves

Artificial intelligence pioneers need to stop obsessing over themselves

Mimicking the human brain will only hinder the pursuit of true artificial intelligence, says Facebook’s director of AI research.

Artificial intelligence pioneers need to stop obsessing over themselves

Mimicking the human brain will only hinder the pursuit of true artificial intelligence, says Facebook’s director of AI research.

social science

The frustrating quest to define consciousness

The frustrating quest to define consciousness

Never mind determining whether a robot can be conscious, we can’t even decide what the word means

Televised Debates: Insert Audience Response Here

The motivation for audiences to participate in presidential debates is more than just party fever