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Scientists Fear for Colombia’s ‘Melted Rainbow’

Scientists Fear for Colombia’s ‘Melted Rainbow’

The Caño Cristales in Colombia, home to Macarenia clavigera, which turns the river bright colors in the rainy season. It has become a tourist attraction, but oil reserves nearby have pitted the government against a petroleum company.

How Cockroaches Crash Into Walls and Keep Going

How Cockroaches Crash Into Walls and Keep Going

Scientists found that the tough exteriors of cockroaches help them keep moving without losing much momentum when they bump into things.

Unsettling News on Knee Surgery, and a Striking Neanderthal Gene

Unsettling News on Knee Surgery, and a Striking Neanderthal Gene

An image captured from NASA TV showing astronaut Mike Hopkins during a spacewalk outside the Ineternational Space Station.

Falcon Heavy, in a Roar of Thunder, Carries SpaceX’s Ambition Into Orbit

Falcon Heavy, in a Roar of Thunder, Carries SpaceX’s Ambition Into Orbit

The success of this launch gives SpaceX momentum to begin developing even larger rockets, which could help fulfill Elon Musk’s dream of sending people to Mars.

At Airports, a Misplaced Faith in Body Language

At Airports, a Misplaced Faith in Body Language

Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.

To Beat Go Champion, Google’s Program Needed a Human Army

To Beat Go Champion, Google’s Program Needed a Human Army

Lee Se-dol, a professional Go player from South Korea, was smiling amid other players despite losing four of five games against a Google computer program called AlphaGo.

Laser

Laser

The United States Navy's laser weapon. It can be used to ablate, ignite or otherwise damage an air or sea target.

At 12, He Had a Viral Science Video. At 14, He Fears He Was Too Rude.

At 12, He Had a Viral Science Video. At 14, He Fears He Was Too Rude.

Marco Zozaya in March near his home in Mexico. He aspires to be a science communicator like Neil deGrasse Tyson, but faces the conundrum of internet audiences and algorithms that may prefer drama over scientific information.

A Congressman, a Financial Deal and an Intricate Web of Conflicts

A Congressman, a Financial Deal and an Intricate Web of Conflicts

Representative Chris Collins of New York after his arraignment on insider trading charges in New York on Wednesday.


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