SoT 310: Faster Than Lightning

Hosts: Ed Brown, Penny Dumsday, Lucas Randall

00:02:34 Archaeologists working in the Blombos Cave in South Africa have discovered what could be the world’s oldest drawing – from 73,000 years ago.

00:10:40 Surfers have long believed that nearby dolphins are a good sign that there are no sharks around. But new research suggests that’s not the case, as attacks on dolphins have increased in line with rising ocean temperatures.

00:19:33 The mirror test is an attempt to measure self-awareness in non-human animals. Now the Cleaner Wrasse has become the first fish ever to pass.

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This episode contains traces of astrophysicist Neil deGrasse Tyson commenting on the dangers of smoking weed in space.