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Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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Dedication of Advanced LIGO

The Advanced LIGO Project, a major upgrade that will increase the sensitivity of the Laser Interferometer Gravitational-wave Observatories instruments by a factor of 10 and provide a 1,000-fold increase in the number of astrophysical ...

dateMay 19, 2015 in Astronomy
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Silicon Valley aims for Cuba, but treads carefully

If Horacio Nunez grew up in the United States instead of Cuba, the 26-year-old software engineer might have spent hours of his youth surfing the Web. But he had no Internet connection to his Havana home, so he learned how ...

dateMay 19, 2015 in Business
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