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Any cat owner will tell you that although they are sometimes kept as pets, felines are beholden to no one.
Scientists have long suspected that corvids -- the family of birds including ravens, crows and magpies -- are highly intelligent. Now, Tübingen neurobiologists Lena Veit und Professor Andreas Nieder have demonstrated how the brains of crows produce intelligent behavior when the birds have to make strategic decisions.
Talk about taking a dim view of things. Researchers have obtained ultrasharp images of weakly illuminated objects using a bare minimum of photons: mathematically stitching together information from single particles of light recorded by each pixel of a solid-state detector.
British astronomers reporting in the journal Monthly Notices of the Royal Astronomical Society (arXiv.org) have found two of the oldest brown dwarfs in our Galaxy.
Brown dwarfs are star-like objects but are much less massive, and do not generate internal heat through nuclear fusion like stars. Because of this brown dwarfs simply cool and fade with time and very old brown dwarfs become very cool indeed.
The hot and energetic Universe and the search for elusive gravitational waves will be the focus of ESA's next two large science missions, it was announced today.
If all goes well, expect another moon robot very soon. The Yutu (“Jade Rabbit”) rover will lift off from China as a part of the Chang’e-3 mission — target launch date Sunday (Nov. 29) — to explore the moon’s Sea of Rainbows after its scheduled landing two weeks later, Dec. 14.
Astrobiology is the search for and study of life elsewhere in the universe, and it is obsessed with beginnings. Most experts in the field spend their time concocting theories about the origins of life, because knowing what life requires to get started lets us narrow the list of places we need search for it. However, determining life’s starting conditions is just one aspect of the search for life, and as we see on Earth, life can profoundly affect a planet once it gets a foothold. Rather than ask what life’s beginnings might look like on another planet, astronomers are beginning to wonder how a planet might look as its biosphere comes slowly to its end.
During an epoch of dramatic climate change 200,000 years ago, Homo sapiens (modern humans) evolved in Africa. Several leading scientists are asking: Is the human species entering a new evolutionary, post-biological inflection point? Paul Davies, a British-born theoretical physicist, cosmologist, astrobiologist and Director of the Beyond Center for Fundamental Concepts in Science and Co-Director of the Cosmology Initiative at Arizona State University, says that any aliens exploring the universe will be AI-empowered machines. Not only are machines better able to endure extended exposure to the conditions of space, but they have the potential to develop intelligence far beyond the capacity of the human brain.
Using a video game in which people navigate through a virtual town delivering objects to specific locations, a team of neuroscientists from the University of Pennsylvania and Freiburg University has discovered how brain cells that encode spatial information form "geotags" for specific memories and are activated immediately before those memories are recalled.
Black Friday retailers aren’t just seducing customers with flashy deals, price discounts and shiny wrappers, some may also be using advanced facial recognition technology to find out what you like and what it would take to get you to spend your money.
Researchers have discovered a gene that regulates alcohol consumption and when faulty can cause excessive drinking. They have also identified the mechanism underlying this phenomenon.
As a medical resident 30 years ago, Ava Kaufman remembers puzzling over some of the elderly patients who came to the primary-care practice at George Washington University Hospital. They weren't really ill, at least not with any identifiable diseases. But they weren't well, either.
Sex may be the secret to good health and a longer life, according to a recent study on insects.
European researchers have used a computer to design small synthetic molecules capable of attacking the deadly AIDS virus where it hurts the most: its ability to produce the genetic material required for replication. It's the first time in history this has ever been done.
In recent years, water-repelling materials have gotten better and better at their job of fearing water. But even the best hydrophobic surfaces still take their time when repelling water. This becomes an issue when the surfaces you want to keep water-free operate in freezing conditions. If water is not repelled quickly, it can freeze and end up stuck there.
The properties of these lead bricks recovered from ancient shipwrecks are ideal for experiments in particle physics. Scientists from the CDMS dark matter detection project in Minnesota (USA) and from the CUORE neutrino observatory at the Gran Sasso Laboratory in Italy have begun to use them, but archaeologists have raised alarm about the destruction and trading of cultural heritage that lies behind this.
China is to start removing treasures from its greatest ever marine archaeological discovery, six years after the wreck was raised from the seabed in a giant metal box, reports said Friday.
Japanese construction firm Shimizu Corp. has unveiled a proposal that entails building a solar panel array around the moon's equator, then sending the power it collects back to Earth. They are calling the project LUNA RING.
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