Month: October 2020

World

Fossil footprints tell story of prehistoric parent’s journey

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Hungry giant predators, treacherous mud and a tired, probably cranky toddler – more than 10,000 years ago, that was the stuff of every parent’s nightmare. Footprints found at White Sands National Park in New Mexico, from more than 11,000 years ago, of an adult carrying a child for nearly a mile, then returning along the same path without the child. Evidence of that type of frightening trek was recently uncovered, and at nearly a mile it is the longest known trackway of early-human footprints ever found. The discovery, published in…

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Tech

Klarman fellow models black hole collisions, studies effects

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By Kate Blackwood |October 13, 2020 -  New and extremely sensitive instruments are allowing scientists to use a novel source of information – gravitational waves – to understand fundamental principles of nature. “Gravitational waves are the signals that carry information about gravity,” said Vijay Varma, a Klarman Postdoctoral Fellow in physics, in the College of Arts and Sciences. “If two black holes are orbiting each other, for example, gravitational waves carry information about the masses and spins of the black holes and how the black holes may have formed.” Varma…

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Lifestyle World

Studies Find Physical Activity Measurably Boosts Health

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Studies Find Even Minimal Physical Activity Measurably Boosts Health Two new studies from UC San Diego find that simply standing up or walking around can provide positive health benefits; and Americans sit too much October 12, 2020 | By Jeanna Vazquez More than 5 million people around the world die from causes associated with a lack of physical activity. Two research teams at UC San Diego School of Medicine sought to understand sedentary lifestyles, with one study finding that even light physical activity, including just standing, can benefit health, and…

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Tech

Unveiling the Accuracy of Tsunami Predictions

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New study validates accuracy in predicting the first wave, but weakness in forecasting ‘trailing’ waves Residents of coastal towns in Chile remember the catastrophic earthquakes that struck their country in 1960 and 2010, not always for the quakes themselves but for the tsunamis that followed. Those who survived the 9.5-magnitude 1960 quake told interviewers about the man in Maullin, Chile who, after the first wave of the tsunami, rushed into his dockside warehouse to retrieve possessions just as the second wave hit. The second wave swept the warehouse out to…

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