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Denisovan fossil finger points to the timing of Neanderthal evolution

Google Science Feeds - Wed, 09/04/2019 - 20:15
A group of anthropologists finally put back together a Denisovan finger bone unearthed in 2009, and it pointed to something surprising. Denisovan fingers looked more like ours than like Neanderthals', even though DNA shows that Denisovans are more ...

Humpback whales share songs on their travels

Google Science Feeds - Wed, 09/04/2019 - 20:11
Want to know where a whale has been on its long-distance oceanic travels? Try listening to its songs, say scientists from the University of St. Andrews. New research, published in Royal Society's journal Open Science, reveals that migrating humpback whales ...

Researchers make key finding related to pre-mRNA splicing

Google Science Feeds - Wed, 09/04/2019 - 20:03
A new study led by scientists from the University of Colorado School of Medicine offers insight into the mechanism of a key cellular process. The study focuses on the pre-mRNA (precursor-messenger RNA) splicing process where regions in the pre-mRNA that ...

NASA ramps up its efforts to understand space weather

Google Science Feeds - Wed, 09/04/2019 - 20:02
This week, NASA selected three proposals for missions that could help us better understand the Sun-driven space weather that occurs near Earth. Space weather, like solar flares, can impact spacecraft and astronauts, and it has the potential to disable utility ...

Massive boom heard across Central New York was likely an exploding space rock

Google Science Feeds - Wed, 09/04/2019 - 19:34
If you're a resident of New York state and happened to be hanging around outside on Monday evening you might have heard something unexpected. Several individuals across the central portion of the state reported hearing a loud boom which had no ...

Russia Sends Its First Robotic Astronaut To The ISS

Google Science Feeds - Wed, 09/04/2019 - 19:33
Russia's Soyuz spacecraft, which has been ferrying astronauts to and from the International Space Station since 1967, typically carries a crew of three. However, the MS-14 capsule that blasted off from a Russian spaceport in southern Kazakhstan on August ...

This ancient Denisovan finger bone is surprisingly humanlike

Google Science Feeds - Wed, 09/04/2019 - 19:13
A newly described Denisovan finger fossil holds a skeletal surprise, adding to the mystery of this extinct Stone Age crowd. A decade ago, scientists found a tiny fragment of a fossil pinkie bone in Siberia's Denisova Cave. That bone yielded the first known ...

Sleuths Find the Top-Secret (and Classified) Satellite Behind Trump's Tweeted Photo

Google Science Feeds - Wed, 09/04/2019 - 19:13
It was only a matter of time: Amateur sleuths think they've tracked down the satellite that took a high-resolution image of the aftermath of an Iranian missile disaster. President Donald Trump tweeted out the photograph on Aug. 30, writing, "The United States of ...

Hurricane Dorian: NASA video shows 62 mph wind and rain whipping through Kennedy Space Center

Google Science Feeds - Wed, 09/04/2019 - 19:12
A video posted on social media by NASA shows 62 mph wind and rain from Hurricane Dorian whipping through the Kennedy Space Center's Launch Control Center parking lot at 3 a.m. EDT Wednesday. At its closest point, the eye of the hurricane came ...

AI facial recognition software now works for wild chimpanzees too

Google Science Feeds - Wed, 09/04/2019 - 19:11
An artificial intelligence that detects, tracks and recognises chimpanzees could make studying animals in the wild more efficient. Arsha Nagrani at the University of Oxford in the UK and her colleagues have developed a facial recognition AI that can detect and ...

The Other Twitterverse: Squirrels Eavesdrop On Birds, Researchers Say

Google Science Feeds - Wed, 09/04/2019 - 19:01
Squirrels eavesdrop on the casual chitchat of birds to figure out when it's safe enough to be out in the open and foraging for food. Researchers have found that a squirrel becomes incredibly vigilant when it hears the shriek of a red-tailed hawk, but it will relax ...

Population structure of modern-day Italians reveals patterns of ancient and archaic ancestries in Southern Europe

Google Science Feeds - Wed, 09/04/2019 - 19:00
European populations display low genetic differentiation as the result of long-term blending of their ancient founding ancestries. However, it is unclear how the combination of ancient ancestries related to early foragers, Neolithic farmers, and Bronze Age ...

Plastic Will Be the Shameful Artifact Our Descendants Dig Up

Google Science Feeds - Wed, 09/04/2019 - 19:00
You don't have to look far to see we've descended into the Anthropocene, a period dominated by human impacts on this planet—our moving of mountains and waterways, our corruption of the climate, the traces of nuclear material in the geological record.

Protein tangles linked with dementia seen in patients after single head injury

Google Science Feeds - Wed, 09/04/2019 - 19:00
Scientists have visualised for the first time protein 'tangles' associated with dementia in the brains of patients who have suffered a single head injury. This is the finding of a new study led by scientists from Imperial College London, published in the journal ...

A unified mechanism for intron and exon definition and back-splicing

Google Science Feeds - Wed, 09/04/2019 - 18:02
The molecular mechanisms of exon definition and back-splicing are fundamental unanswered questions in pre-mRNA splicing. Here we report cryo-electron microscopy structures of the yeast spliceosomal E complex assembled on introns, providing a view of ...

Solutions to urban heat differ between tropical and drier climes

Google Science Feeds - Wed, 09/04/2019 - 18:00
In summer heat, cities may swelter more than nearby suburbs and rural areas. And while the size of this urban heat island effect varies widely among the world's cities, heat island intensity can largely be explained by a city's population and precipitation level, ...

Earthquake study casts doubt on early warnings but hints at improved forecasting

Google Science Feeds - Wed, 09/04/2019 - 18:00
A recent study has investigated around 100,000 localized seismic events to search for patterns in the data. University of Tokyo Professor Satoshi Ide discovered that earthquakes of differing magnitudes have more in common than was previously thought.

Ancient animal species: Fossils dating back 550 million years among first animal trails

Google Science Feeds - Wed, 09/04/2019 - 18:00
In a remarkable evolutionary discovery, a team of scientists co-led by a Virginia Tech geoscientist has discovered what could be among the first trails made by animals on the surface of the Earth roughly a half-billion years ago. Shuhai Xiao, a professor of ...

Swiss Army Knife of Gene Editing Gets New Control

Google Science Feeds - Wed, 09/04/2019 - 17:42
When researchers want to edit, activate, or silence a gene in any living organism, from bacteria to humans, they often turn to CRISPR/Cas9, a complex of RNA and protein that can act like a genetic Swiss Army Knife. Now, Caltech researchers have applied ...

Bike MS: Gateway Getaway

Google Science Feeds - Wed, 09/04/2019 - 17:33
Thousands of Cyclists Will Ride Up to 200 Miles Toward a World Free of MS. National MS Society's Bike MS is the Largest Fundraising Bike Series in the World. ST. LOUIS, MO — 2,000 cyclists are setting out to raise $1.7 million to make a difference in the ...

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