Here's What Made Population III Stars So Different In Our Galaxy
Originally, stars were classified as being either Population I, which have a good amount of metal in them, and Population II, which are less metal-rich.
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This Was Esther Lederberg's Unforgettable Contribution To Science
Esther Lederberg was a trailblazing scientist in the disciplines of microbiology and bacterial genetics, yet has been overshadowed in the history books.
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Why Some Scientists Are Suggesting The Sun Might End Life One Day
The sun can be responsible in myriad ways for what scientists call an "Extinction Level Event," a single massive catastrophe that would destroy life on Earth.
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Why The First American In Space Was Nearly Expelled From Flight School
The first American in space was part of the first astronaut class that NASA chose, but was nearly kicked out of flight school for various reasons.
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Why You Should Really Fear Common Kingslayers
Just over an inch long, the malo kingi or Common Kingslayer jellyfish is one of the most venomous creatures of the sea, and its sting can be deadly.
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The Big Crunch: The Surprising Way The Universe Could End
The universe itself has a life cycle: beginning, middle, end. But will it, a) die of old age? b) tear itself apart? or c) shrink to "nothing" again?
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Why Some Scientists Are Suggesting The Ocean Might Kill Us One Day
Over the millennia, there have been occurrences in the ocean, which covers 75% of our planet, that have caused extinction level events.
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Here's What Happens To Your Body If You Die In An Explosion
In their terrible ability to potentially harm many at once, explosions are largely unlike any other force or weapon on Earth - and one doctors rarely see.
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Why A Treadmill Named After Stephen Colbert Was Sent To Space
In 2009, The Guardian reported that NASA ran a contest asking what they should name a new room in the International Space Station. Enter Colbert Nation.
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What Really Happens To Your Body When You Fall To Your Death
According to Psychology Today, some of our seemingly intrinsic human fear of heights is from a quirk in our proprioception — our sense of the body's position.
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Why Some Believe The World Will End In 2100
Some scientists believe the world will end in 2100, and this time, it will be entirely our fault.
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What You Didn't Know About The World's Smallest Bible
As an instantly recognizable historical and cultural touchstone for humanity, the Bible has sometimes been used for artistic or scientific experiments.
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The Truth About The Woman Who Discovered The Milky Way's Structure
While staring at the spirals of the cosmic ceiling, astrophysicist Heidi Newberg noticed a dense cluster of stars on the edge of the Milky Way.
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Why People Believed The World Would End After Halley's Comet Arrived In 1910
In 1910, the arrival of Halley's Comet evoked fear of a world-ending event. From February to its passing in May, people across the world held their breath.
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Here's What We Really Know About The So-Called 'Diamond Planet'
According to initial theories, 55 Cancri e is a planet 40-million light-years away that has an entire layer composed of solid diamond among other materials.
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When You Choke To Death, This Is What Happens To Your Body
Sadly, though, choking to death is the fourth-most-common accidental injury death (per the National Safety Council), and it's a very traumatic way to go.
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The Real Reason Why Clouds Move
Wind is caused by pockets of hot air moving to colder areas, and sometimes form fast currents called jet streams that carry clouds across continents and oceans.
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Why Did The Elephant Bird Go Extinct?
Looming over humanity at almost 10 feet in stature and weighing in at about 1,000 pounds, the elephant bird truly lived up to its name.
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How Much Does A NASA Spacesuit Really Cost?
NASA's next-generation spacesuits cost up to $1 billion each.
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The Real Reason You Weigh Less Near The Equator
If you are tired of the scale staying stuck, a little travel might do you good. Just pick the right location and you might even lose a few of those pounds.
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Rules Astronauts Have To Follow Every Mission
Being an astronaut is very grueling, with a lot of requirements that would give anyone who is not 100% dedicated a reason to reconsider.
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The Interesting Truth About Lunar Cataclysm
Known as the Lunar Cataclysm, scientists think that there was one 50-million-year period when the moon was pummeled by meteorites, some of them quite large.
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The One Object In Our Solar System That Has Been Both A Planet And An Asteroid
Most of the time, planets, asteroids, and other celestial objects are all properly classified, but there are times that things can change.
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How Long Would It Take To Walk Across The Moon?
The circumference of the moon at its equator is 6,783 miles, or roughly the distance between Miami, Florida, and Tehran, Iran.
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States With The Most Endangered Species
The list of endangered species is in constant flux, but more species seem to be going extinct than recovering. Here are states with the most endangered species.
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The Real Reason The Baiji Dolphin Went Extinct
The baiji was a dolphin adapted to life in freshwater rivers, distinguished by a very narrow snout and a reliance on sonar for navigation due to poor eyesight.
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When You Eat Poison Blowfish, This Is What Happens To Your Body
According to Savor Japan, poison blowfish (also known as fugu), is a delicacy that has been eaten in Japan for hundreds of years — despite its very real danger.
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