17 signs your friendship with someone is toxic

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women fighting
Watch out for signs that your friend is toxic.

DigitalVision/Getty Images

Octopuses could get the same protections as mice and monkeys thanks to a growing body of evidence that suggests they feel pain

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Monkey; octopus
Under new guidelines proposed by the NIH, octopuses used in research could receive the same protections as monkeys.

BarbAnna/Getty Images; Hal Beral/Getty Images

Climate change is pushing an Indigenous community in Panama off their island home

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An aerial view of Carti Sugtupu in Panama.
An aerial view of Carti Sugtupu in Panama.

Luis Acosta/AFP/Getty Images

Scientists have found the great white sharks that fled for their lives from gruesome liver-eating killer whale attacks

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A collage with a photo of a killer whale and a great white shark.
Killer whales hunt great white sharks in waters across the world.

[top] Kenneth C. Balcomb/Center for Whale Research, permit number: NMFS 21238; [bottom] Reuters

Crocodiles seemed to 'escort' a dog in danger to safety, and scientists aren't sure why they didn't just eat it

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Serial frames of a dog being given a ‘safe passage’ by three crocodiles, in a sentient behaviour suggestive of ‘cross-species empathy’.
A dog swims near a mugger crocodile, who didn't seem interested in eating it.

Utkarsha Chavan

18,000-year-old stone tools are among the oldest found in the US, more evidence that humans lived in the Americas during the Ice Age

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A number of stone tools from the Rimrock Draw Rockshelter archeological site in Oregon, including tools that over 18,000 years old
Several stone tools found at the Rimrock Draw Rockshelter in Oregon, including the large orange chalcedony tool found below ash from Mt. Saint Helens.

Patrick O'Grady

How long couples in lasting relationships should wait to start having sex, according to science

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couple kissing wine love dating relationship
Many couples have to discuss when it's right for them to start having sex.

Shutterstock

The full moon has different names for each month. Here's the meaning and origin for the whole lunar calendar.

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An orange-looking full moon rises behind the eiffel tower
The full moon, known as the "Super Pink Moon" rises behind the Eiffel Tower in Paris, France.

Christian Hartmann/Reuters

India's historic moon lander and adorable sidekick rover may be dead for good

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An image of the Vikram lander taken by the Pragyaan rover
An image of the Vikram lander taken by the Pragyaan rover.

ISRO

The marriage of sports and technology can help narrow the gender gap

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A group of students with F1
STEM students with Rosanna Tennant, broadcast journalist and presenter on F1TV, and Ruth Buscombe of the Alfa Romeo F1 team

Tata Communications

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