History In The Headlines

Category: Science

melatonin

Human Sleep Cycle May Have Roots in Ancient Oceans

A new study suggests that melatonin, the hormone that regulates our sleep, may have first evolved hundreds of millions of years ago in tiny ocean creatures.

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Scientists Find World’s Oldest Sperm

A team of paleontologists has discovered 17 million-year-old sperm inside tiny shrimp fossils encased in bat guano on the walls of a cave in Queensland, Australia.

Pithovirus

Neanderthal-Era Virus Found Surviving in Permafrost

Scientists have revived the world’s largest known virus from a piece of Siberian permafrost over 30,000 years old.

Recreation of the Permian period (Credit: Getty Images)

Mass Extinction Occurred Much Faster Than Previously Thought

Some 252 million years ago, the planet’s largest mass extinction took place in only around 60,000 years — almost instantaneously, relative to geologic time.

Clovis-era tools originally discovered along with the remains of a one-year-old boy at a burial site in western Montana in 1968. (Credit: Sarah Anzic

Ancient Infant’s DNA Provides Key to Native American Ancestry

A new genetic study links Native Americans from both North and South America to the Clovis culture, which flourished in North America around 13,000 years ago.

hith_darwin

10 Things You May Not Know About Charles Darwin

In honor of Darwin Day, learn 10 surprising facts about the famed evolutionary biologist Charles Darwin.

tuberculosi

When Early Humans Left Africa, Tuberculosis Traveled With Them

New research indicates that tuberculosis bacteria originated with early humans some 70,000 years ago, before they migrated from their African homeland.

Leedsichthys problematicus

Scientists Discover World’s Largest Fish

Thanks to a nearly complete skeleton found buried in an English quarry, the giant Jurassic-era Leedsichthys has grabbed the title of world’s largest fish.

ancient-pottery

Spicy Find Sheds Light on Ancient Cuisine

By analyzing Stone-Age clay cooking vessels, researchers have found the earliest conclusive evidence of humans using spices to flavor their food.

Members of the Mashco-Piro tribe in 2011. (Credit: AP Images/FENAMAD)

Peruvian Tribe Makes Rare Appearance

The Mashco-Piro, an indigenous group from the Amazon, is one of the most isolated tribes on Earth.

Smithsonian Institution

New Mammal Discovered in the Americas

This week, scientists from the Smithsonian Institution introduced the olinguito —the newest mammal and the first carnivore discovered in the Americas in 35 years.

Upernavik, Greenland (Credit: Lee Corbett)

Scientists Discover Protective “Ghost Glaciers” in Greenland

A new study finds that so-called “ghost glaciers” – layers of non-erosive glacial ice – have protected Greenland’s ancient landscapes for more than 800,000 years.

Boston Strangler

CSI Boston: DNA Provides New Clues in Strangler Case, 50 Years Later

Investigators have conclusively linked Albert DeSalvo to the murder of a 19-year-old woman in 1964.