Science

Smallest-Ever Working Satellites Reach Orbit

How small can you make a satellite? The first satellite, Russia’s Sputnik, weighed in at about 183 pounds (83 kilograms). Today, many smaller space projects are taking place thanks to inexpensive CubeSats, but a company called Breakthrough Starshot has something even smaller in mind. It has successfully tested tiny satellites …

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Song Cultures of Humpback Whales Give Insight into Evolutionary Learning

Culture was once thought to be what distinguishes humans from other animals. However, research by a University of St Andrews-led team of scientists studying behavior of humpback whales and other animals tells a radically different story. Humpback whales (Megaptera novaeangliae) in the South Bank, Dominican Republic. Image credit: Christopher Michel …

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