China plans to land probes on far side of moon, Mars by 2020

China vowed Tuesday to speed up the development of its space industry as it set out its plans to become the first country to soft land a probe on the far side of the moon, around 2018, and launch its first Mars probe by 2020.

Paper describing hummingbird-sized dinosaur retracted

The journal Nature has issued a retraction for a paper it published March 11th called "Hummingbird-sized dinosaur from the Cretaceous period of Myanmar." The editorial staff was alerted to a possible misclassification of ...

Drones can determine the shape of a room by listening

Imagine a loudspeaker is placed in a room with a few microphones. When the loudspeaker emits a sound impulse, the microphones receive several delayed responses as the sound reverberates from each wall in the room. These first-order ...

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