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October 26, 2016

 

The red soil of Mars. Some gray equipment in the right foreground.

Missing Martian Ocean Deposits

Tsunamis may have washed away the geological evidence of ancient Martian oceans.

October 25, 2016

 

A close-up of a tablespoon of butter melting in a pan.

What’s In Saturated Fats?

We use the phrase "saturated fat" a lot, but what does it really mean?

October 24, 2016

 

The side of The Washington School For The Deaf. The top of the building is red brick. The photo's main feature are illustrations of people using American Sign Language.

From Pantomime to Stable Sign

It only takes five generations of learners for a pantomime to become a stable sign.

October 21, 2016

 

a tuxedo kitten and a tabby kitten with an all-white belly and paws gaze out an open window. The tabby kitten is in a position where it looks like it is looking at the world below.

Humpty Dumpty Wasn’t A Cat

You may have seen a cat fall from a tree or high rooftop. Ever wonder how felines can survive such great falls?

October 20, 2016

 

A blue background. A woman in the center of the photograph. Most of her is obscured because of a yellow-orange glow caused by a light leakage.

Afterglow

If you look at a bright lamp and then close your eyes, why can you still see the light?

October 19, 2016

 

On the left side of the screen, a large spider plant. The camera angle is as if someone is looking directly down at the long, green leaves. Next to it is a jar with a much smaller version of the plant growing.

Plants in Motion

Is your houseplant moving or is that just an optical illusion?

October 18, 2016

 

A bird-of-paradise. Mostly black, but near its neck it is iridescent: red, yellow, green, blue.

Why Birds of a Feather Are What They Eat

Why do some species of birds-of-paradise have such eye-catching plumage?

October 17, 2016

 

A large polyphemus moth (orange in color) sits on bright green leaves.

Bright Lights, Brighter Moths

Moths are much less attracted to artificial light than they used to be.

October 14, 2016

 

Three neon lights in the shapes of hand. The left is orange-red. The middle is bright green. The right is red.

The Future in the Palm of Your Hand

What does the crystal ball reveal for human evolutionary future? Is it six-fingered hands for everyone?

October 13, 2016

 

The polar lights over a small town in New Zealand

The Polar Lights We Can’t See

Every planet with a magnetic field can produce polar lights. So why can't we see Jupiter's?

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