Carlos Ayala

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Should we give up on the dream of space elevators?

Elevators that can whisk people and cargo up from the planet’s surface into space could spell an end to polluting rockets. But making them reality is a challenge. Nic Fleming investigates.<p>Elon Musk is considered by many to be visionary – a pioneer of private exploration, and the man behind the …

A Diminutive New Tyrannosaur from the Top of the World

Abstract<p>Tyrannosaurid theropods were dominant terrestrial predators in Asia and western North America during the last of the Cretaceous. The known …

Dinosaurs

This Is What Happens When Massive Black Hole Gobbles Up Sun-Like Star (VIDEO)

When a black hole swallows a star, things get violent. Very violent.<p>At least, that's what scientists found in a new study when they used computer simulations to mimic the destruction of a star as it falls into a giant black hole. Just check it out in the video above.<p>The simulations show that when …

How To Design A Drone-Proof City

Conceptual artist and law student Asher J. Kohn envisions a gated community as a sanctuary from drones.<p>Humans have always built defenses to match the prevailing threat of the day, from medieval castles to Cold War fallout shelters. In his Shura City concept, Asher J. Kohn speculates on what it …

Shivering can help you stay slim

Shivering in the cold may help burn off as many calories as exercise, according to scientists<p>It is usually a signal to reach for a jumper or turn up the heating, but it seems shivering may also be an effective way to stay slim.<p>A new study from scientists at the National Institutes of Health has …

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