Chimpanzees dislike the smell of death like we do
10 November 2021
Some chimpanzees will carry around an infant that did not survive, which made researchers wonder if they are as sensitive to the chemicals that produce odours in dead bodies
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Premium
Penis worms had hermit crab-like defence system 530 million years ago
8 November 2021
More than half a billion years ago, tiny penis worms had learned to protect themselves by grabbing and living inside snail-like shells, like hermit crabs do today
Brainless sponges have cells that might be the precursors of neurons
4 November 2021
Sponges are arguably the simplest animals and they lack a nervous system, but peculiar cells in their digestive chambers may be evolutionary precursors of neurons
Baleen whales eat three times more krill than we thought
3 November 2021
Baleen whales are the largest animals on Earth, and they are even hungrier than we had assumed, which has huge implications for marine ecosystems
Dogs may get worse separation anxiety when left alone with another dog
3 November 2021
Some dogs will bark and howl when left alone by their owner, but an analysis of video footage shows getting a second dog may make the problem worse
Nursery web spiders woo mates with food wrapped in chemical-laced silk
3 November 2021
Chemicals in the silk of male nursery web spiders help them attract a mate when used as gift wrap
