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Starfish See Pretty Well in the Deep Ocean. By the Way, Starfish Have Eyes.

Starfish See Pretty Well in the Deep Ocean. By the Way, Starfish Have Eyes.

The Tremaster mirabilis starfish, one of several species of sea star living in deep waters off Greenland’s coast that have surprisingly complex eyes.

Hundreds of Reindeer Died by Lightning. Their Carcasses Became a Laboratory.

Hundreds of Reindeer Died by Lightning. Their Carcasses Became a Laboratory.

The carcasses of 300 reindeer on a plateau in Norway may help engender new plant diversity, according to scientists.

Poisonous Prey Turned Into Hunter’s Defense

Poisonous Prey Turned Into Hunter’s Defense

Cnidarians, including corals and many jellyfish, feed and defend themselves with stinging capsules. Some sea slugs have evolved several lines of defense.

It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun

It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun

Sunset over the Atlantic Ocean, viewed from the International Space Station in 2014.

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

In Acciaroli, a hamlet in southern Italy, about one-in-60 residents are over the age of 90. A survey of about 4,000 Italians found that mortality rates in old age plateau around 105, suggesting that the ceiling for human lifespan has not yet been reached.

In Footprints on Scotland’s Isle of Skye, Signs of a Dinosaur Playground

In Footprints on Scotland’s Isle of Skye, Signs of a Dinosaur Playground

A sauropod footprint found in Scotland was among several that included tracks left by smaller, two-legged meat-eaters. Their presence together upends a theory that the larger plant-eaters waded into shallow, muddy waters to evade predators.

Do Bees Know Nothing?

Do Bees Know Nothing?

Not only can a honey bee count, it understands the concept of zero, according to researchers.

Hot Heads: Why Mammals Need R.E.M. Sleep

Hot Heads: Why Mammals Need R.E.M. Sleep

Fur seals can switch off and on R.E.M. sleep when they're in the sea and on land, a pattern never seen before. Scientists believe it might mean R.E.M. sleep helps generate heat in our skulls, like shivering for the brain.

How a Church Deacon Found the Biggest Prime Number Yet (It Wasn’t as Hard as You Think)

How a Church Deacon Found the Biggest Prime Number Yet (It Wasn’t as Hard as You Think)

Jon Pace is the discoverer of the largest known prime number, 23.2 million digits long.

America’s First Offshore Wind Farm May Power Up a New Industry

America’s First Offshore Wind Farm May Power Up a New Industry

One of five turbines that make up the Block Island Wind Farm, the first offshore wind farm in the United States, off the Rhode Island coast.

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Juul is under federal investigation for marketing its discreet, flash-drive-resembling e-cigarette product to youth.

Trillions Upon Trillions of Viruses Fall From the Sky Each Day

Trillions Upon Trillions of Viruses Fall From the Sky Each Day

Viruses attached to a fragment of a bacterial cell wall. “Viruses modulate the function and evolution of all living things,” scientists wrote last year. “But to what extent remains a mystery.”

Orcas of the Pacific Northwest Are Starving and Disappearing

Orcas of the Pacific Northwest Are Starving and Disappearing

Orcas from pod J in Puget Sound just west of Seattle. The number of orcas in the area, listed as endangered since 2005, has dwindled to a 30-year low.

Study Links Sleeplessness and False Confessions

Study Links Sleeplessness and False Confessions

An interrogation room in a police precinct in Harlem. Close to 20 percent of interrogations occur during normal sleep hours, midnight to 8 a.m., a new study notes.

The Chambered Nautilus Is the Ocean’s Most Efficient Jet Engine

The Chambered Nautilus Is the Ocean’s Most Efficient Jet Engine

The chambered nautilus propels itself by sucking in and shooting out water, and uses far less energy to do it than other swimmers that use jet propulsion.


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