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Most organisms that live on or near the surface of the Earth or its oceans have evolved a circadian clock – a daily timer of all biochemical, physiological and behavioral functions.

(Phys.org) -- A team of Chinese physicists has broken the distance record for teleporting qubits, extending it from 16 to 97 kilometers. They did so, as they explain in their paper uploaded to the preprint server arXiv, using the phenomenon known as entanglement.

Older adults often take longer to make a decision than young adults do. But that does not mean they are any less sharp. According to research at Ohio State University, the slower response time of older adults has more to do with prizing accuracy over speed

Advances in the 1950s and 1960s, including unprecedented cooperation between Soviet and U.S. scientists , allowed polio to be eradicated throughout the Americas by 1994 and all of Europe in 1998. Eliminating the crippling scourge has been more difficult , however, in some parts of Africa and Asia.

Vying to become the 'greenest' zoo in the world, the Denver Zoo has installed a new energy system run entirely on animal dung and garbage. The system uses a process called gasification to turn waste into energy

By David Alire Garcia LA VENTOSA, Mexico (Reuters) - On an arid plain where sudden gusts of wind can rip roofs off buildings and knock over tractor trailers, Mexico is building a new engine for its energy future. Surrounded by towering turbines in every direction, the town of La Ventosa - which means "the windy place" in Spanish - is at the heart of a wind power boom in the country. Mexico, the world's 14th biggest economy, still punches well below its weight in terms of wind energy, ranking 24th on the planet in installed capacity last year, according to the Global Wind Energy Council (GWEC).

There’s more to your DNA than your DNA. We are now becoming aware of the epigenome. While DNA controls you, your epigenome may help control your DNA, or rather, it can have an extensive impact on how your DNA is expressed.

Using tiny solar-panel-like cells surgically placed underneath the retina, scientists at the Stanford University School of Medicine have devised a system that may someday restore sight to people who have lost vision because of certain types of degenerative eye diseases.

A team of Duke University engineers has created a master "ingredient list" describing the properties of more than 2,000 compounds that might be combined to create the next generation of quantum electronics devices.

The changing hues of a peacock’s splendid tail feathers have always captivated curious minds. Seventeenth-century English scientist Robert Hooke called them “fantastical,” in part because wetting the feathers caused the colors to disappear

Some of the most brilliant colors found on butterflies, birds and squid are produced by nanostructures on wings, feathers and skin that reflect light. The effects can become even more varied when these “structural” colors are combined with filters made from light-absorbing pigments. For example, the characteristic green plumage of parrots seems to be produced by yellow pigment over a blue reflective nanosurface

When you don't clean your plate, microbes feast.

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Americans get a stream of messages telling them to avoid vaccines, from Jenny McCarthy on Oprah to billboard animations shown in Times Square.

Phototropism, photo by Tangopaso Wie orientieren sich Cyanobakterien im Licht [More]