These Moths Are the First Nocturnal Insect With A Magnetic Compass

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This Bogong moth is ready for its close-up. (Credit: Ajay Narendra) What if you had to find your way through hundreds of miles of unknown territory with only your eyes and a simple compass to guide you? That’s what the Australian Bogong moth does in its annual migration, flying over 600 miles (roughly 30 million times its body length) to seek a haven from summer heat in the cool caves of the Australian Alps. An international team of researchers announced in the journal Curre ...read more

Larry David and the Game Theory of Anonymous Donations

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(Credit: s_bukley/Shutterstock) In a Curb Your Enthusiasm episode from 2007, Larry David and his wife Cheryl and their friends attend a ceremony to celebrate his public donation to the National Resources Defense Council, a non-profit environmental advocacy group. Little does he know that the actor Ted Danson, his arch-frenemy, also donated money, but anonymously. “Now it looks like I just did mine for the credit as opposed to Mr. Wonderful Anonymous,â€&# ...read more

Ötzi the Iceman's Tools Shed Light on Copper Age Trade

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Daggers like Ötzi’s may have had symbolic significance during the Copper Age. (Credit: South Tyrol Museum of Archaeology) Though he died 5300 years ago in the Alps near the Austrian-Italian border, the prehistoric man known as Ötzi the Iceman has had a remarkable afterlife in the sciences. His mummified body chiseled out of ice in 1991 has undergone extensive examination, revealing details about his life and times. The work has offered a glimpse i ...read more

How to Turn Wetsuits Into 'Artificial Blubber'

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(Credit: Stefan Holm/Shutterstock) Even with a wetsuit, a cold water dive can be a bone-chilling experience. In Arctic waters, divers typically last only an hour, and even that short time can lead to numb, painful extremities. But, by improving on a design already used in nature, researchers say that they’ve turned regular wetsuits into what they call “artificial blubber,� greatly increasing their performance with just a simple treatmen ...read more

A Lot Of Dinosaurs Couldn't Stick Out Their Tongues

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Here’s a big Nope-asaurus for ya: Reconstructions of most dinosaurs with their tongues out and wriggling like this guy’s are wrong, according to a new study. (Credit: Spencer Wright) When it comes to fleshing out dinosaurs, so to speak, based on their nearest living relatives, paleontologists can look to birds or the crocodilians. But a new study says depicting most dinosaur tongues like those of birds with particularly mobile mouthpieces, well, thatâ ...read more

Vote for Groups E and F in the Geology World Cup

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The 2018 Geology World Cup continues! Remember, vote for the other groups so far: Group A, Group B, Group C, Group D. Group E Brazil The mouth of the Amazon River, seen from space in 1990. NASA. Let’s not beat around the bush, Brazil has the Amazon. One of the most remarkable river systems on the planet, it dominates the central portion of the country and flushes an amazing amount of sediment from the base of the Andes to the west out into the Atlantic to the east. But that&a ...read more

Blood At A Crime Scene Can Reveal Age of Suspect or Victim

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Investigators working a crime scene have a potential new tool: a field technique that could quickly determine the age of the person who left behind a bloodstain, whether victim or suspect. (Credit: FBI) There’s a significant gap between the information that real-world forensics teams can glean from a crime scene and what turns up in glamorized tv shows such as “CSI.� Today, however, that gap gets a little smaller: Researchers reveal it& ...read more

Organs Grown to Order

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Chimera: A genetically modified mouse embryo successfully grew a beating heart from rat stem cells. (Credit: Salk Institute) More than 100,000 people in the United States need an organ transplant, but demand always outpaces supply. An average of 20 people in the nation died every day in 2016 because organs were unavailable, and that was despite record annual donations of more than 33,000. Physicians have proposed many solutions to encourage organ donations, including payment. But scientists a ...read more

KÄ«lauea Builds a Cinder Cone and a New Eruption Starts in the Galapagos

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The cinder/spatter cone being built by Fissure 8, here reaching 50 meters at its rim on June 16, 2018. USGS/HVO. The eruption on KÄ«lauea’s lower East Rift Zone continues onward, with Fissure 8 building an impressive cinder cone similar to the one that was formed during the 1960 eruption that the current lavas have wrapped around (see map below). The cinder cone, built by the fountaining of lava from fissure 8, is now over 50 meters (170 feet) tall wi ...read more

Dazzling satellite video reveals lightning dancing inside a mega-complex of thunderstorms

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An animation of GOES-16 weather satellite imagery showing a complex of thunderstorms over Iowa on June 14, 2018, with an overlay of lightning mapping. (Source: RAMMB/CIRA GOES-16 Loop of the Day) As a giant complex of thunderstorms blew across Iowa and into Illinois and Missouri on June 14, the GOES-16 weather satellite was watching — and mapping the crackling lightning discharges. The result is the video above, originally posted to the terrific GOES-16 Loop of the Day ...read more

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