Printing the metals of the future

3-D printers can create all kinds of things, from eyeglasses to implantable medical devices, straight from a computer model and without the need for molds. But for making spacecraft, engineers sometimes need ...

Jul 29, 2014 4.7 / 5 (31) 6

US plans widespread seismic testing of sea floor

(AP)—The U.S. government is planning to use sound blasting to conduct research on the ocean floor along most of the East Coast, using technology similar to that which led to a court battle by environmentalists in New Jersey.

Jul 26, 2014 1 / 5 (2) 8

The five most poisonous substances

With the announcement of an inquiry into the murder of Alexander Litvinenko, talk of poisons is back in the news. There are many articles with lists of the most poisonous substances, which are often gathered based on their acute toxicity as measured by something called LD ...

Jul 29, 2014 4.8 / 5 (9) 7

Giant anteaters kill two hunters in Brazil

Giant anteaters in Brazil have killed two hunters in separate incidents, raising concerns about the animals' loss of habitat and the growing risk of dangerous encounters with people, researchers said.

Jul 26, 2014 5 / 5 (22) 6