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Muddy Physics: Why Puddles Stop Spreading

By Charles Choi, Inside Science -- If you poured a glass of water on a table, you would expect...

The Neuroscience Of Why Screams Are So Terrifying

By Charles Choi, Inside Science -- Bloodcurdling screams in horror movies often send tingles down...

Muon: Electron’s Heavy Cousin Could Help Detect Damaged Pipes

By Charles Choi, Inside Science -Of all the parts of the nation's infrastructure that one might...

Retroviruses: Human Embryos May Be Affected By Ancient Viral Invaders

By: Charles Q. Choi, Inside Science(Inside Science) -- Viruses that invaded the DNA of humanity's...

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Charles Q. Choi is a freelance science writer based in New York City who has written for The New York Times, Scientific American, Wired, Science, Nature, and many other news outlets. He tweets at... Read More »

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"Air Laser" Created In The Lab

Jan 11 2015 | comment(s)


By Charles Q. Choi, Inside Science - A laser could be created with air in a practical way, a new advance that could one day be used to help spot explosives or pollutants from afar, researchers say.

Laser light is generated by pumping energy into atoms or other objects. A chain reaction can occur in which energized atoms all stimulate each other to give off laser light.
Ocean Acidification May Encourage Sharks To Swim Longer Durations

Ocean Acidification May Encourage Sharks To Swim Longer Durations

Sep 18 2014 | comment(s)


By Charles Q. Choi, Inside Science

It's a myth that all sharks will drown if they stop moving. However, scientists discovered that as the oceans grow more acidic this century, sharks may swim for longer times than before. These new findings suggest that rising atmospheric carbon dioxide levels causing this ocean acidification could significantly disrupt the lives of these predators, which are already in sharp decline globally.