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Charles Choi

Charles Choi

Contributing Writer at Live Science

Contact this person
Email address
c*****@*******.usGet email address
Influence score
64
Location
United States
Languages
  • English
Covering topics
  • Astronomy
  • Physics
  • Science

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Recent Articles

livescience.com

Ancient DNA from Papua New Guinea reveals centuries of genetic isolation

A new analysis of the ancient DNA of 42 people from Papua New Guinea reveals that some cultures were remarkably isolated for centuries.
6 months ago
livescience.com

Why do bats hang upside down to sleep?

Bats often hang upside down when they sleep instead of sitting right side up or lying down — why?
10 months ago
livescience.com

Why aren't we crushed by the weight of Earth's atmosphere?

Earth's atmosphere is heavy, so why doesn't it weigh us down more?
about 1 year ago
livescience.com

Why isn't the darkest time of the year also the coldest?

Why aren't the solstices the coldest and hottest days of the year?
about 1 year ago
livescience.com

A 'primordial' black hole may zoom through our solar system every d...

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then."
about 1 year ago
livescience.com

Who were the Denisovans?

These now-extinct humans lived as far back as 200,000 years ago.
over 1 year ago
livescience.com

Why do dogs chase their tails?

Why are dogs, especially puppies, in endless pursuit of their tails?
about 2 years ago
livescience.com

Is Africa splitting into two continents?

Will the East African Rift split the continent and create a new ocean, or will it fizzle out?
over 2 years ago
livescience.com

1st mega-tsunami on record since antiquity was triggered by Tonga v...

The eruption was the most powerful natural explosion in over a century, triggering a tsunami hundreds of feet high.
over 2 years ago
livescience.com

Why do dogs tilt their heads?

Dogs commonly tilt their heads, but is it a sign of intelligence, or does it mean something else entirely?
over 2 years ago
livescience.com

How long do dogs live?

The average life expectancy of a dog is more than 10 years, but life span varies greatly among different breeds.
almost 3 years ago