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Researchers have developed a high-tech method to rid the body of infections — even those caused by unknown pathogens. A device inspired by the spleen can quickly clean blood of everything from Escherichia coli to Ebola, researchers report on 14 September in Nature Medicine.
CAN we teach a robot to be good? Fascinated by the idea, roboticist Alan Winfield of Bristol Robotics Laboratory in the UK built an ethical trap for a robot – and was stunned by the machine's response.
Electric utility executives all over the world are watching nervously as technologies they once dismissed as irrelevant begin to threaten their long-established business plans.
It sometimes feels as if environmental news is never good news, but that certainly isn’t true when it comes to the ozone layer. The United Nations has announced that the ozone layer is showing “signs of recovery.” Evidence has pointed to recovery for some time, but researchers have waited until they were confident that the hole in the ozone layer was beginning to heal. It’s not yet restored to perfect health — that will take a few more decades — but a significant corner has been turned.
KEITHVILLE, Louisiana—It's a few minutes before 8 a.m. at Chimp Haven, a sanctuary for retired research chimpanzees, and the air fills with their excited hoots and cries. Chimps in an open-air forested enclosure have spotted veterinarian Raven Jackson carrying a caddy packed with their morning's juice treats and frozen bananas. A half-dozen dark-haired chimpanzees crowd the wire metal gate and wait for her to dispense the goodies.
Each summer, leatherback sea turtles (Dermochelys coriacea) migrate thousands of kilometers from their tropical breeding grounds to feed in cooler waters. Yet how the animals know when to begin their long journey back south at the end of the season has mostly remained a mystery. New findings, to be published in an upcoming issue of the Journal of Experimental Marine Biology and Ecology, suggest that leatherback sea turtles may be able to sense seasonal changes in sunlight by means of an unpigmented spot on the crown of their head.
In 2012 a video of what was claimed to be Iceland’s most famous lake monster went viral. The home video, claiming to depict a legendary monster named Lagarfljótsormurinn, showed a long, serpentine form apparently swimming in a glacial river in eastern Iceland.
Chickens are not fussy eaters. Any object resembling food is worth an exploratory peck. But give a chicken the choice between sugary sweets and seeds, and they will pick the grains every time. This is odd. Many animals, including our own sugar-mad species, salivate for sugar because it is the flavor of foods rich in energy. New research suggests that many birds’ lack of interest in sugar is the result of genes inherited from their dinosaur ancestors.
Imagine standing in an open field with a bucket of water balloons and a couple of friends. You've decided to play a game called "Mind." Each of you has your own set of rules. Maybe Molly will throw a water balloon at Bob whenever you throw a water balloon at Molly. Maybe Bob will splash both of you whenever he goes five minutes without getting hit -- or if it gets too warm out or if it's seven o'clock or if he's in a bad mood that day. The details don't matter.
The central mystery of quantum mechanics is that small chunks of matter sometimes seem to behave like particles, sometimes like waves. For most of the past century, the prevailing explanation of this conundrum has been what's called the "Copenhagen interpretation" -- which holds that, in some sense, a single particle really is a wave, smeared out across the universe, that collapses into a determinate location only when observed. But some founders of quantum physics championed an alternative interpretation, known as "pilot-wave theory".
Surgeons implanted retinal tissue created after reverting the patient's own cells to 'pluripotent' state.
Scientists today are still searching jungles, oceans and other corners of the world for microorganisms that make medicines. But in a new study published Thursday in the journal Cell, Dr. Fischbach and his colleagues suggest that we should also be looking inward.
Related: Vaginal microbe yields novel antibiotic
A team of enterprising and adventurous scientists in Wyoming has just finished the first in a series of excavations at one of the largest deposits of Ice Age fossils in the United States.
Further tests will be conducted on skeletons initially recovered from a centuries-old mass grave in Durham City, in the UK, in 2013.
The row goes to the heart of well-worn theories over whether Shakespeare actually wrote the plays and poems attributed to him almost 400 years ago.
Researchers have examined whether 3-D film is more effective than 2-D when used as a research method for evoking emotion. Both were effective, and 3-D did not add incremental benefit over 2-D, with implications for emotional research as well as entertainment.
Movies, scientists know, can turn us into smokers and drinkers. Now, it turns out, they also make us buy dogs. Not any old dog, of course, but the particular breed of dog that starred in last night’s feature film. To make the discovery, researchers analyzed 87 movies that featured pooches and correlated those findings with data from the American Kennel Club, which maintains a registry of more than 65 million dogs.
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