Why we don't have fusion power plants yet, and what it'll take to get clean, limitless energy to market

Tech Insider
The National Spherical Torus Experiment-Upgrade (NSTX-U), a large circular device surrounded by a platform and steps leading to it
The National Spherical Torus Experiment-Upgrade (NSTX-U) at the Princeton Plasma Physics Laboratory.

Elle Starkman, PPPL

Cold War US spy satellite images reveal nearly 400 undiscovered Roman forts

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Newly discovered Roman forts
Newly discovered Roman forts.

Antiquity/US Geological Survey

How might one get pandas to mate? Try leg workouts.

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Two giant pandas lying on rocks.
Giant pandas Tian Tian, left, and Mei Xiang, right, sleep on rocks in their enclosure at the National Zoo.

Jessie Cohen/Smithsonian National Zoo/Newsmakers

Pigeons solve problems the same way AI does, study says

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Woodpidgeon
A head shot of a pretty Woodpidgeon

sandra standbridge/Getty Images

San Diego temporarily solved its water crisis by turning ocean water into fresh water. But desalination won't work everywhere.

Tech Insider : Environment
A back lit photo of a young girl splashing in a water fountain, the sun a halo behind her.
A young girl plays in a fountain in Fountain Valley, California, about 60 miles from the Carlsbad desalination plant.

Allen J. Schaben / Contributor/Getty Images

Bloodsuckers or bloated corpses? How science has tried to explain vampire myths.

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A realistic statue of the fictional vampire Nosferatu at the exhibition Vampires: Art, History, Myths And Realities
Nosferatu creeps up the stairs at the exhibition "Vampires: Art, History, Myths And Realities."

Francisco Morales/DAMMPHOTO/Eyepix Group/Future Publishing via Getty Images

New Zealand has had dozens of 'slow' earthquakes that can last weeks. A hidden underwater sea may be the cause.

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Napier, New Zealand sits along Hawke Bay, with many buildings softly lit and purplish during sunset
Napier sits along Hawke Bay on New Zealand's eastern coast, near the Hikurangi Plateau.

Walter Bibikow via Getty Images

A mysterious rock orbiting Earth appears to be a chunk of the moon that was blasted away by a meteorite

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A painting represents a large grey asteroid, Kamo`oalewa, floating in space near the moon. The Earth is seen in the background.
An artist's illustration of near-Earth asteroid Kamo`oalewa floating in space between the moon and our planet.

Addy Graham/University of Arizona

Video shows weird 'kelping' behavior in whales. Scientists think it's the animals using seaweed to exfoliate.

Tech Insider
A whales fin coming out of the water, draped in a thick tangle of kelp.
The researchers reported over 100 times they caught the whales kelping. Sometimes they rubbed the seaweed on their fins, but other times, they put it on their face and tail.

Kristin Campbell with Newport Coastal Adventure

How climate change contributed to the collapse of the Roman Empire and 7 other ancient civilizations

Tech Insider
A photo of an ancient Roman amphitheater in Tunisia.
An ancient Roman amphitheater in Tunisia.

DEA / G. DAGLI ORTI/Getty Images

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