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Science Underground

Science Underground is a two-minute podcast hosted by TED speaker and scientist Ainissa Ramirez. By the time you sip your coffee or eat your cereal, Science Underground explains a science topic in a ... Read more

Ranked #1

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Tires From Lettuce

Tires From Lettuce

There are 2 billion tires sold every year and each takes several gallons of oil to make it. Scientists have found an unu... Read more

8 Nov 2015

2mins

Ranked #2

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How Leaves Change Color

How Leaves Change Color

The secret for how leaves change color is uncovered. Find out how yellow and orange colors are made and how they are mad... Read more

1 Nov 2015

2mins

Ranked #3

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The Science of Fireworks

The Science of Fireworks

Fireworks are a display of color and chemistry. Everyone loves fireworks, especially astronomers. Find out why.

1 Jul 2016

2mins

Ranked #4

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How Bubbles Catch Comets

How Bubbles Catch Comets

Soap bubbles are not just for kids. Foams can help you from spilling your coffee and can help scientists understand the ... Read more

15 Nov 2015

2mins

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Ranked #5

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Meat Grown in a Lab

Meat Grown in a Lab

Scientists can now grow beef outside of the cow. In the not-so-distant future, you might get your burger from a beaker.

24 Apr 2016

2mins

Ranked #6

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Saving Monarch Butterflies

Saving Monarch Butterflies

Twenty years ago, there were a billion monarch butterflies. Now, there are less than 10 percent of them left. Their disa... Read more

1 May 2016

2mins

Ranked #7

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How Fireflies Make New Medicines

How Fireflies Make New Medicines

Fireflies light up the summertime night, but the glowing molecules inside them are also used by scientists to make new d... Read more

26 Jun 2016

2mins

Ranked #8

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How Plants Know Which Way Is Up

How Plants Know Which Way Is Up

Seeds that are buried deep in the soil need to figure out which way their roots and stem should go. Ends up they have sp... Read more

10 Apr 2016

2mins

Ranked #9

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This Is Your Brain on CTE

This Is Your Brain on CTE

Boston University's Dr. Robert Stern tells us about a brain disease that has been in the news recently -- CTE.

20 Dec 2015

2mins

Ranked #10

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The Skinny on Fat

The Skinny on Fat

Our waistlines are increasing partly because of our modern diet, but also because of our Stone Age bodies. Back then, fo... Read more

3 Jan 2016

2mins

Ranked #11

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Concussions

Concussions

Concussions seem to be in the news lately. A leading expert explains what is going on in the brain during a concussion.

7 Feb 2016

2mins

Ranked #12

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How Lightning Makes Magnets

How Lightning Makes Magnets

When lightning bolts zap iron minerals they make magnets called lodestones. NASA scientists coax bolts to strike rocks u... Read more

15 May 2016

2mins

Ranked #13

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The Science of Chocolate

The Science of Chocolate

Chocolate is tasty chemistry. What takes weeks to prepare, takes moments to enjoy. The steps from tree to your tongue ar... Read more

10 Feb 2016

2mins

Ranked #14

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Say Cheese, Pandemic

Say Cheese, Pandemic

There are special cameras, called thermal cameras, that can detect heat. These cameras are the first defense against thr... Read more

8 May 2016

2mins

Ranked #15

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How Animals Gossip

How Animals Gossip

Imagine if we could talk to the animals. To do so, we will have to think about time differently.

17 Apr 2016

2mins

Ranked #16

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How Animals Camouflage

How Animals Camouflage

Get ready to be introduced to nature's best master of disguise--the cuttlefish.

29 May 2016

2mins

Ranked #17

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How Atoms Keep Time

How Atoms Keep Time

We keep time by measuring repeating patterns, like a swinging pendulum or the earth's rotation. But, the best way to mea... Read more

6 Mar 2016

2mins

Ranked #18

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Why is Snow White?

Why is Snow White?

Water is clear, but snow is white. Light dances on the snowflake edges creating this white color.

24 Jan 2016

2mins

Ranked #19

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Invisibility Cloaks

Invisibility Cloaks

Scientists have made invisibility cloaks in the laboratory. What does it take to make something invisible? A bit of brai... Read more

20 Mar 2016

2mins

Ranked #20

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As Sweet As Pi

As Sweet As Pi

Pi is the mysterious number of 3.14 that keeps our appliances running, our GPS going, and our clocks ticking. This numbe... Read more

13 Mar 2016

2mins

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