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Science & Discovery

Why is the sky blue?

It has nothing to do with reflecting the ocean.

NASA Science
Science & Discovery

How do trees communicate?

Forests have their own underground internet.

Nature journal
Science & Discovery

Why do we yawn?

It might be your brain's built-in cooling system.

Frontiers in Neuroscience
Science & Discovery

What happens inside a black hole?

You'd be stretched thinner than a strand of spaghetti.

Physical Review Letters
Science & Discovery

Why does honey never spoil?

Archaeologists found 3,000-year-old honey that was still edible.

Smithsonian Magazine
Science & Discovery

How does a caterpillar turn into a butterfly?

It literally dissolves itself into living soup first.

Scientific American
Science & Discovery

Can plants feel pain?

They scream - just at a frequency you can't hear.

Cell journal
Science & Discovery

Why is glass transparent?

It's all about what electrons refuse to do.

MIT OpenCourseWare
Science & Discovery

Can a particle be in two places at once?

Quantum mechanics says yes - until you look.

Physical Review Letters
Science & Discovery

How much DNA do humans share with bananas?

You're more banana than you think.

National Human Genome Research Institute
Science & Discovery

Why did some organisms never evolve beyond single cells?

Being simple is sometimes the smartest survival strategy.

Nature Reviews Microbiology
Science & Discovery

What makes some chemical reactions explode?

It's a race between energy and escape.

Journal of the American Chemical Society
Science & Discovery

How does electricity actually flow through wires?

Electrons move slower than a snail, yet the lights turn on instantly.

American Journal of Physics
Science & Discovery

Why do magnets stick to refrigerators?

It starts with billions of tiny atomic compasses lining up.

HyperPhysics - Georgia State University
Science & Discovery

Can sound waves put out a fire?

Bass drops might one day replace fire extinguishers.

DARPA
Science & Discovery

Why do we see different colors?

Color doesn't exist in the physical world - only in your brain.

Annual Review of Neuroscience
Science & Discovery

What is the coldest temperature possible?

Scientists have gotten within a billionth of a degree of it.

National Institute of Standards and Technology
Science & Discovery

Why does deep water crush submarines?

At the ocean floor, every square inch feels the weight of 16,000 pounds.

Woods Hole Oceanographic Institution
Science & Discovery

Why are bananas radioactive?

You'd need to eat 10 million at once for a lethal dose.

Health Physics Society
Science & Discovery

How do crystals form such perfect geometric shapes?

Atoms are nature's obsessive organizers.

Mineralogical Society of America