Stephanie Pappas
Stephanie Pappas
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Dinosaur-killing space rock may have originated at the edge of the solar system

Dinosaur-killing space rock may have originated at the edge of the solar system

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.The chunk of space rock that killed the nonavian may have been a piece of a comet that Jupiter's gravity kicked onto a collision course with Earth. A new study suggests that the dinosaur-killing object was not an asteroid from between Jupiter and Mars, as is often hypothesized. Instead, the study authors argue, the impactor was a piece of a comet from the Oort cloud, a mass of icy bodies that surrounds the outer edges of the solar system. So-called long-period comets...

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Stephanie Pappas
2d ago
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'Flatliners' still have heartbeats left. But death comes within 5 minutes.

'Flatliners' still have heartbeats left. But death comes within 5 minutes.

Live Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.(Image: © Shutterstock)Death is not a linear process. New research finds that it's fairly common for the to restart — usually just for a beat or two — after a person initially flatlines. No one in the study, which took place in intensive care units (ICUs) in three countries, survived or even regained consciousness. The longest gap between someone's heart stopping and restarting again was 4 minutes and 20 seconds. That's an important number, according to study leader...

livescience.com
Stephanie Pappas
Jan 29
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Mystery particle may explain extreme X-rays shooting from the 'Magnificent 7' stars | Live Science

Mystery particle may explain extreme X-rays shooting from the 'Magnificent 7' stars | Live Science

XWe need your consentWe and our partners use technology such as cookies on our site to personalise content and ads, provide social media features, and analyse our traffic. Click below to consent to the use of this technology across the web. Go to our for more information on how we use cookies. You can change your mind and change your consent choices at any time by returning to this site.AcceptRejectLive Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.More than 400 light-years from Earth, there is a cluster of young...

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Stephanie Pappas
Jan 19
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Raids in Israel uncover 'gargantuan' trove of stolen artifacts

Raids in Israel uncover 'gargantuan' trove of stolen artifacts

Live Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Authorities in Israel have recovered a trove of stolen archaeological artifacts from sites in ancient Israel, and across the Mediterranean, the Middle East, Africa and even South America. The finds range from gold coins to bronze statues to Egyptian sarcophagi.(Image: © Yoli Schwartz, courtesy of the Israel Antiquities Authority)Thousands of stolen archaeological artifacts — including gold coins, bronze statues and sarcophagi — have been recovered in Israel, thanks to...

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Stephanie Pappas
Jan 8
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Earth is whipping around quicker than it has in a half-century

Earth is whipping around quicker than it has in a half-century

Live Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.(Image: © Stocktrek Images via Getty Images)Even time did not escape 2020 unscathed. The 28 fastest days on record (since 1960) all occurred in 2020, with completing its revolutions around its axis milliseconds quicker than average. That's not particularly alarming — the planet's rotation varies slightly all the time, driven by variations in , winds, ocean currents and the movement of the core. But it is inconvenient for international timekeepers, who use...

livescience.com
Stephanie Pappas
Jan 6
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Physicists could do the 'impossible': Create and destroy magnetic fields from afar

Physicists could do the 'impossible': Create and destroy magnetic fields from afar

TrendingLive Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.(Image: © Shutterstock)Scientists have figured out a way to create and cancel magnetic fields from afar. The method involves running electric current through a special arrangement of wires to create a that looks as if it came from another source. This illusion has real applications: Imagine a cancer drug that could be delivered directly to a tumor deep in the body by capsules made of magnetic nanoparticles. It's not possible to stick a magnet in the tumor to...

livescience.com
Stephanie Pappas
Nov 24
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Meet the zeptosecond, the shortest unit of time ever measured

Meet the zeptosecond, the shortest unit of time ever measured

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A particle of light, called a photon (yellow arrow), produces electron waves out of an electron cloud (grey) of a hydrogen molecule (red: nucleus). The result of those interactions is what’s called an interference pattern (violet-white). The interference pattern is slightly skewed to the right, allowing researchers to calculate the time for the photon to get from one atom to the next.(Image: © Sven Grundmann/Goethe University Frankfurt)Scientists have measured the...

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Stephanie Pappas
Oct 25
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Severe burn damage from California wildfires seen from space

Severe burn damage from California wildfires seen from space

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.The Operational Land Imager on Landsat 8 captured this image on Sept. 26, 2020, showing the extent of the wildfire damage.(Image: © NASA Earth Observatory)New satellite imagery of California reveals not just the extent of its wildfire damage, but the depth of the loss. The maps derived from the satellite data show how far two major fires spread as well as how badly each region burned. Darker colors represent near-complete loss — charred landscapes with little to no...

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Stephanie Pappas
Oct 21
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Scientists discover new organ in the throat

Scientists discover new organ in the throat

TrendingLive Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.(Image: © The Netherlands Cancer Institute)Scientists have discovered a new organ: a set of salivary glands set deep in the upper part of the throat. This nasopharynx region — behind the — was not thought to host anything but microscopic, diffuse, salivary glands; but the newly discovered set are about 1.5 inches (3.9 centimeters) in length on average. Because of their location over a piece of cartilage called the torus tubarius, the discoverers of these new...

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Stephanie Pappas
Oct 20
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Meet the zeptosecond, the shortest unit of time ever measured

Meet the zeptosecond, the shortest unit of time ever measured

TrendingLive Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A particle of light, called a photon (yellow arrow), produces electron waves out of an electron cloud (grey) of a hydrogen molecule (red: nucleus). The result of those interactions is what’s called an interference pattern (violet-white). The interference pattern is slightly skewed to the right, allowing researchers to calculate the time for the photon to get from one atom to the next.(Image: © Sven Grundmann/Goethe University Frankfurt)Scientists have measured...

livescience.com
Stephanie Pappas
Oct 17
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