Science

Saturn Surprises As Cassini Continues its Grand Finale

As NASA’s Cassini spacecraft makes its unprecedented series of weekly dives between Saturn and its rings, scientists are finding — so far — that the planet’s magnetic field has no discernible tilt. This surprising observation, which means the true length of Saturn’s day is still unknown, is just one of several early insights from the […]

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Human Adult Neurogenesis Revealed

CELL/SPALDING ET ALAbove-ground nuclear bomb tests carried out more than 50 years ago resulted in elevated atmospheric levels of the radioactive carbon-14 isotope (14C), which steadily declined over time. In a study published yesterday (June 7) in Cell, researchers used measurements of 14C concentration in the DNA of brain cells from deceased patients to […]

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Older people should be given dogs on prescription to increase activity

Project lead Prof Andy Jones from UEA’s Norwich School of Medicine said: “We were amazed to find that dog walkers were on average more physically active and spent less time sitting on the coldest, wettest, and darkest days than non-dog owners were on long, sunny, and warm summer days. “The size of the difference we […]

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How to Help Cheetahs Live Longer in Captivity

Cheetahs have been tamed, used for hunting and kept in zoos in countries across Asia, Europe and Africa for centuries. However, they have never really thrived under captive conditions. Between 1829-1952 there were 139 wild-caught cheetahs displayed at 47 zoological facilities. Most of these animals survived less than a year with 115 deaths and no births recorded during this […]

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Viewpoint: Spinning Black Holes May Grow Hair

Sam Dolan, School of Mathematics and Statistics, University of Sheffield, Sheffield S3 7RH, United Kingdom July 24, 2017• Physics 10, 83 A spinning black hole may lose up to 9% of its mass by spontaneously growing “hair” in the form of excitations of a hypothetical particle field with a tiny mass. Figure 1: New work […]

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Alcohol Boosts Recall of Earlier Learning

Summary: A new Scientific Reports study reveals alcohol may have a surprising effect on learning and memory. Researchers found those who drank alcohol following a learned word task had better recollection of the terms they learned the next day than those who did not drink. Source: University of Exeter. Drinking alcohol improves memory for information […]

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An Incredible Camcorder Tour of the Gadgets That Made Nerds Drool in 1987

Fifty years ago the first Consumer Electronics Show was held in New York City, giving local nerds a sneak peek at all the electronic toys arriving in 1967. Twenty years later, Art Vuolo attended the ‘Summer’ edition of the trade show with a giant camera on his shoulder, giving us a wonderful time capsule of […]

Science

Messier 51 – the Whirlpool Galaxy – Universe Today

Welcome back to Messier Monday! In our ongoing tribute to the great Tammy Plotner, we take a look at Orion’s Nebula’s “little brother”, the De Marian’s Nebula! During the 18th century, famed French astronomer Charles Messier noted the presence of several “nebulous objects” in the night sky. Having originally mistaken them for comets, he began […]