Neutron star or black hole?

What’s the difference between a heavy dead star and a light black hole?

Researchers report that a newly discovered object has a mass 2.6 times that of the sun, placing it firmly in the “mass gap” between neutron stars and black holes. They detected the object on August...
SlothBot

SlothBot boost conservation with the low-energy lifestyle of real sloths

For the next several months, visitors to the Atlanta Botanical Garden will be able to observe the testing of the new high-tech tool in the battle to save some of the world’s most...
Avocado oil

Do you know what you take home when you buy avocado oil?

In the country’s first extensive study of commercial avocado oil quality and purity, researchers report that at least 82% of test samples were either stale before expiration date or mixed with other oils. “I was...
Chipper app

Birders: Use ‘Chipper’ app to catalog songs for research

The app can help researchers better use crowdsourced fieldwork and audio recordings from bird enthusiasts to accelerate the progress of research on naturally occurring songbird behaviors. Called Chipper for its ability to “chip” songs into...
Antibodies

Why antibodies are crucial to fighting viruses?

This novel coronavirus is new to the human population—we have never been exposed to it before—so there are many unknowns about how we respond to it. Across any population, there is a high degree...
North Pole

The largest hole in the ozone layer on record at the North Pole has...

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As quickly as it formed, it also closed. The hole in the ozone layer over the Arctic has marked historical figures over the last few months, creating an unprecedented hole in the northern hemisphere....
Bioluminiscent plant

Plants that glow in the dark throughout their lives?

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Fans of the movie "Avatar" are in luck. A team of researchers funded by the biotechnology start-up Planta has developed glow-in-the-dark plants using DNA extracted from fungi. In the future, they hope to be...
Asteroid 1998 OR2

The giant asteroid 1998 OR2 will approach the Earth on April 29

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On April 29, the giant asteroid 1998 OR2 will reach its closest distance to Earth. It is an asteroid classified as "potentially dangerous", but this is not because there is a real probability of...
Comet Atlas

Comet ATLAS will pass in May and be as bright as the Moon

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If we go back to the medieval era, we will remember that at that time it was believed that comets were an unmistakable sign that a war, a plague or the death of a...
Borisov exocomet

Borisov arrives, the second interstellar traveller to the Solar System

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The first one was 'Oumuamua', discovered two years ago, and now astronomers have located Borisov, a new object that comes from beyond the Solar System, although its characteristics are, until now, surprisingly familiar to...
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