The World’s Largest 3D Printed Object

The Guinness Book of World Records just certified that the Department of Energy’s Oak Ridge National Laboratory produced the world’s largest solid 3D-printed object.  When Boeing makes big airplanes, it needs special tools that you can’t find in a hardware store. But...

Toothy Squirrels Could Confuse Crime Scenes

Strolling through the Boston Public Garden on a sunny summer day, it’s common to encounter wildlife, even in the heart of the city. Ducks and geese lazily drift on clear water or nap on the shore, woodpeckers and wrens populate the trees, and everywhere squirrels...

Researchers discover machines can learn by simply observing

It is now possible for machines to learn how natural or artificial systems work by simply observing them, without being told what to look for, according to researchers at the University of Sheffield. This could mean advances in the world of technology with machines...

America’s wars take uneven toll on poor

In today’s wars, Americans who die or are wounded in battle are disproportionately coming from poorer parts of the country, according to a new study released this week. By analyzing over 500,000 American combat casualties from World War II through Iraq and...

How the most famous human ancestor died

Lucy, the most famous fossil of a human ancestor, probably died after falling from a tree, according to a study appearing inNature led by researchers at The University of Texas at Austin. Lucy, a 3.18-million-year-old specimen of Australopithecus afarensis — or...

A few extra pounds can’t hurt you — or can they?

Being overweight increases the chances of premature death, according to a USC researcher. Although people accept that obesity can shorten a person’s life span, scientists have debated whether the weight category between normal and obese is, in fact, a health risk....

Milky Way had a blowout bash 6 million years ago

The center of the Milky Way galaxy is currently a quiet place where a supermassive black hole slumbers, only occasionally slurping small sips of hydrogen gas. But it wasn’t always this way. A new study shows that 6 million years ago, when the first human...

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