A Sustainable Development Goal for space?

Scientists have called for the designation of a new United Nations Sustainable Development Goal (SDG) with the aim to conserve and sustainably use Earth's orbit, and prevent the accumulation of space junk.

Signature whistles help estimate bottlenose dolphin abundance

Experts at Newcastle University analyzed signature whistles produced by bottlenose dolphins (Tursiops truncatus) recorded off the Northumberland coast in north-east England and compared it to using photo-ID data of the species ...

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