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Artificial Intelligence

AI learned how to influence humans by watching a video game

New research used the game Overcooked to show how AI can learn to collaborate with — or manipulate — us.

Animals

Let’s learn about animals’ bizarre sleep schedules

From reindeer that snooze while chewing to penguins that take thousands of naps each day, the animal kingdom has some truly weird sleep patterns.

Space

Explainer: What is the solar cycle?

Here’s what causes the sun’s 11-year cycle of activity and what it means for us on Earth.

Space

Scientists Say: Corona

The sun’s corona can only be seen without special instruments during a total solar eclipse.

Earth

Experiment: Can plants stop soil erosion?

Soil erosion washes pollutants into streams and rivers — but plants may help limit that.

Plants

On hot summer days, this thistle stays cool to the touch

Its yellow flowers can cool themselves substantially, staying up to 10 degrees C (18 degrees F) cooler in extreme heat.

Psychology

You’re too distracted. Here’s why that matters and what to do about it

Science reveals the many reasons we are so distracted, from poor sleep and social media to diet and exercise. It also shows us how to take back our focus.

Animals

Tardigrades survive harsh conditions by almost dying. Here’s how

Under stress, a chemical change signals these water bears to switch between live and mostly dead.

Physics

Forests could help detect ‘ghost particles’ from space

If trees could act as natural antennas, one physicist proposes that they just might pick up signals of hard-to-spot ultra-high energy neutrinos.

Humans

Explainer: What is autism?

Autism is not a disease, but a description used to characterize a certain type of brain development.