The case for HIIT: Why short, intense workouts are so good for your fitness and longevity

Tech Insider
A back view of a woman with a ponytail and workout clothes prepared to go up a set of concrete stairs outside.
Research suggests that short, intense bursts of exercise like taking the stairs can have long-term health benefits.

VioletaStoimenova/Getty Images

How to eat like an ancient Olympic athlete: figs, feta, and liver

Tech Insider
A black-and-yellow plate holding meat skewers, bread, feta, and figs
Max Miller recreated Greek recipes to eat like an ancient Olympian.

Max Miller/Tasting History

NASA admits it's been working with SpaceX on a backup plan to retrieve Boeing's 2 stuck astronauts. It doesn't sound ideal.

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crew dragon endeavour crew 2 spacex iss arrival
A SpaceX Crew Dragon vehicle approaches the International Space Station.

NASA

Sea lions with cameras got stunning video of never-before-seen habitats on the ocean floor, surprising scientists

Tech Insider
sea lion laying eyes closed on a shrubby beach with a small camera on its back
A sea lion mother after scientists equipped her with a video camera.

Nathan Angelakis

Secret experiments by a 16th-century alchemist involved an element that nobody knew about at the time

Tech Insider
Tycho Brahe in a portrait with an oval around it
Tycho Brahe, a 16th-century astronomer and alchemist, had tungsten in his lab nearly 200 years before scientists knew what it was.

Universal History Archive/Getty Images

A Chinese firm's answer to Elon Musk's Starlink just launched its first satellites for the thousands-strong network Beijing plans to build

Tech Insider
A Long March-6 rocket lifts off from the Taiyuan Satellite Launch Center.
The first 18 satellites in the Thousand Sail Constellation were launched from the Taiyuan Satellite Launch Center, pictured here, according to local media.

Zheng Bin/Xinhua via Getty Images

11 of the most baffling archaeological finds of all time

Tech Insider
A pillar with animals carved on it
The Göbekli Tepe contains many tall, carved pillars.

Ozan Kose/Getty Images

How to see a double meteor shower on Tuesday night with a chance of fireballs

Tech Insider
Bright white streaks showing meteors headed toward Earth's surface shown on bottom half of image.
Earth regularly passes through streams of comet debris that produce hundreds of meteor showers a year.

forplayday/Getty Images

Here’s the Latest List of Lead-Tainted Cinnamon Products

Gizmodo

Ground cinnamon

Heat-related injuries to workers in the Americas have soared since 2000, study finds

Tech Insider : Economy
Two men work on an irrigation system in a public park during a heat wave.
Extreme heat is causing more injuries among workers.

J. Scott Applewhite/AP

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