West Lafayette, Indiana - A laboratory at Purdue University provided a critical part of the world's first transistor in 1947 - the purified germanium semiconductor - and now researchers here are on the forefront of a new germanium milestone.

Pacific Ocean - San Antonio class amphibious transport dock ship USS Anchorage (LPD 23) successfully completed recovery operations of the NASA Orion crew module, forward bay cover, and parachutes, Friday.

Berkeley, California - When it comes to getting out of a tricky situation, we humans have an evolutionary edge over other primates. Take, as a dramatic example, the Apollo 13 voyage in which engineers, against all odds, improvised a chemical filter on a lunar module to prevent carbon dioxide buildup from killing the crew.

Cambridge, Massachusetts - Today’s atmosphere likely bears little trace of its primordial self: Geochemical evidence suggests that Earth’s atmosphere may have been completely obliterated at least twice since its formation more than 4 billion years ago. However, it’s unclear what interplanetary forces could have driven such a dramatic loss.

Cambridge, Massachusetts - Noise, excessive vibration, and relative inefficiency are drawbacks of the piston-based internal combustion engines (ICE) that power today’s lawn and garden equipment, such as leaf blowers and lawn trimmers.

Cambridge, Massachusetts - Toxoplasma gondii is a common parasite often spread by cats. Most people who are infected in Europe or North America show no symptoms at all, and only a few suffer from encephalitis or ocular toxoplasmosis, which can cause blindness. However, in South America, toxoplasmosis is associated with much more severe symptoms.