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A Moment of Science

Archive for May 2016

May 2, 2016

 

electric grid

Motional Induction

Sea currents create electric currents through a process called motional induction.

May 3, 2016

 

seascape with visible tides

Motional Induction 2

The ocean generates its own magnetic field, which peaks everty 12.5 hours along with the rising tides.

May 4, 2016

 

male and female face merging

Becoming More Feminine

Over the course of human civilization, men have evolved more feminine traits.

May 5, 2016

 

pair of capuchin monkeys

Spiteful Monkeys

Capuchin monkeys punish fellow chimps for taking more than their fair share.

May 6, 2016

 

Siberian jay

Recognizing Distant Relatives

Siberian jays can suss out relatives they've never met, and can sense how closely related they are to these unfamiliar birds.

May 9, 2016

 

brown fly sucking up liquid through its proboscis

How Insects Drink

Insects need water to survive and use varied methods to quench their thirst.

May 10, 2016

 

Ibyuk - Canada's Tallest Pingo

Icy Pingos

Pingos are icy mounds that grow upwards from permafrost under the soil.

May 11, 2016

 

apple core reflection shows full, round apple

Body Dysmorphic Disorder

People who suffer from Body Dysmorphic Disorder have a distorted sense of self and perceive a terrible defect in their appearance.

May 12, 2016

 

brain scan

Do Bigger Brains Make Us Smarter?

Does brain size or brain-to-body ratio affect intelligence? Not as much as you'd think.

May 13, 2016

 

anaconda

Anaconda!

Though exaggerated in Hollywood creature features, anacondas are monstrous!

May 16, 2016

 

field potatoes

Irish Potato Famine Investigation

DNA detectives trace the bacteria that caused the Irish Potato Famine back to 16th century South America.

May 17, 2016

 

mountains in Denali National Park, Alaska

Why Mountains Stop Growing

Scientists tackle this mystery: Why do mountains rise but never get any taller?

May 18, 2016

 

weathered statue at site of Roman bathhouse

Ancient Roman Parasites

Ancient poop reveals that Romans suffered from intestinal parasites, despite their sophisticated sanitation system.

May 19, 2016

 

photo of heart lights with one heart in foreground

Bradycardia

Bradycardia is a below average heart rate, slower than 60 beats per minute.

May 20, 2016

 

a

Blow Dryer Flier

How does this ping pong ball float in mid-air? Bernoulli's Principle.

May 23, 2016

 

clouds

How Clouds Float

Clouds weigh several tons but stay airy by distributing their weight over a large area.

May 24, 2016

 

child's eyes

Evolving Better Eyes

A small crustacean called Daphnia provides evidence that larger eye size yields a reproductive advantage.

May 26, 2016

 

man holds stomach, gesturing that he's full

My Bacteria are Full

Gut bacteria not only help digest food, they also signal to our brain that we've eaten enough.

May 27, 2016

 

person washing hands with soap and water

The Importance of Hand Washing

Surveys show that 30 percent of people do not wash their hands after going to the bathroom, which exposes others to germs and infections.

May 14, 2016

 

woman with headphones

Have Podcast, Will Travel

Audio storytelling has a unique power of transport unmatched by other media.

May 25, 2016

 

close up of fake smile

Say Cheese

Fake smiles and real smiles are controlled by two different parts of the brain.

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