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Supermassive black hole at the center of our galaxy may have a friend

An artist's conception of two black holes entwined in a gravitational tango.NASA/JPL-Caltech/SwRI/MSSS/Christopher GoDo supermassive black holes have friends? The nature of galaxy formation suggests...

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Margaret Morse Nice thought like a song sparrow and changed how scientists...

Making sense of bird behavior was a lifelong passion for Margaret Morse Nice. AP PhotoThe invader, puffed out into the shape of a ball, fluttered one wing straight up in the air. He sang constantly and...

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Butterfly lovers become citizen scientists by logging sightings on eButterfly

Scientists can now track butterfly migration in real time with the help of volunteersMara Koenig/USFWS/flickr, CC BYThe Abstract features interesting research and the people behind it.Kathleen Prudic...

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Planetary confusion -- why astronomers keep changing what it means to be a...

In 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon. NASA/JHUAPL/SwRIAs...

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How can we make sure that algorithms are fair?

When algorithms make decisions with real-world consequences, they need to be fair.R-Type/Shutterstock.comUsing machines to augment human activity is nothing new. Egyptian hieroglyphs show the use of...

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Feeling sick is an emotion meant to help you get better faster

The emotion of lassitude might help your body fight off infection by making certain adjustments.Kalinka Georgieva/Shutterstock.comYou know what it’s like to be sick. You feel fatigued, maybe a little...

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7 science-based strategies to boost your willpower and succeed with your New...

Behavioral science has ideas about how to keep on track beyond January.duchic/Shutterstock.comIt’s that time of year when people make their New Year’s resolutions – indeed, 93% of people set them,...

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My team uses crossbows and drones to collect bacteria from whales – and the...

A bowhead whale breaches the surface of the cold waters near Point Barrow, Alaska.Kate Stafford, University of Washington, CC BY-SAAs we drew closer to the massive humpback whale, I became painfully...

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Tracking your heart rate? 5 questions answered about what that number really...

It's one of your body's most basic vital signs.Andrey_Popov/Shutterstock.comThe rise of wearable fitness trackers has increased the number of people monitoring their heart rate, both throughout the day...

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Here's how you can be nudged to eat healthier, recycle and make better...

Were you subtly encouraged to make that menu choice?Supavadee butradee/Shutterstock.comEvery day, you make important choices – about whether to feast on fries or take a brisk walk, whether to spend or...

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A real-life deluminator for spotting exoplanets by reflected starlight

An artist's conception of WASP-18b, a giant exoplanet that orbits very close to its star.X-ray: NASA/CXC/SAO/I.Pillitteri et al; Optical: DSSPerhaps you remember the opening scene of “Harry Potter and...

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Hangovers happen as your body tries to protect itself from alcohol's toxic...

A night of revelry can mean an uncomfortable day after.Everett Collection/Shutterstock.comDebaucherous evening last night? You’re probably dealing with veisalgia right now.More commonly known as a...

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Archaeological discoveries are happening faster than ever before, helping...

Nearly a century ago, archaeologists started to shift the focus of human origins research from Europe to Africa’s ‘cradles of humankind’ like Oldupai (Olduvai) Gorge in Tanzania. What will the next big...

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A new way to identify a rare type of earthquake in time to issue lifesaving...

This unusual earthquake type generates an outsized tsunami. camila castillo/Unsplash, CC BY-NDJust a few times in a century, somewhere on the globe, a rare “tsunami earthquake” occurs. These are...

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An Earth-sized planet found in the habitable zone of a nearby star

An artist's impression of an exoplanet in the habitable zone around a star.Credits: ESA/Hubble, M. KornmesserA few months ago a group of NASA exoplanet astronomers, who are in the business of...

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AI can now read emotions – should it?

Emotion recognition technology, an outgrowth of facial recognition technology, continues to advance quickly.Steve Jurvetson/flickr, CC BY-SAIn its annual report, the AI Now Institute, an...

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Monkeys smashing nuts with stones hint at how human tool use evolved

A capuchin monkey in Brazil hoists a stone tool to crack open nuts.Luca Antonio Marino, CC BY-NDHuman beings used to be defined as “the tool-maker” species. But the uniqueness of this description was...

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Rotting feral pig carcasses teach scientists what happens when tons of...

To understand the effects of a big die-off, researchers set up experiments with wild boar carcasses.Brandon Barton, Mississippi State University, CC BY-NDThe unprecedented wildfire raging across...

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3D printing of body parts is coming fast – but regulations are not ready

The technology of producing biological parts is advancing, raising new legal and regulatory questions.Philip Ezze, CC BY-SAIn the last few years, the use of 3D printing has exploded in medicine....

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Cyberspace is the next front in Iran-US conflict – and private companies may...

In the wake of U.S. killings, Iran's supreme leader vowed 'harsh revenge' – which could come in the form of cyber attacks.Office of the Iranian Supreme Leader via APIran and other nations have waged a...

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