July/August 2024: Science History from 50, 100 and 150 Years Ago

Death rays; the sawfly’s barf defense

By: Scientific American

Jun 26 2024
25
4238 Views

1974
The Sawfly’s Barf Defense
“Many insects regurgitate or defecate when they are threatened, a phenomenon familiar to almost anyone who has held a grasshopper in their hand. It is believed tha… [+4277 chars]

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July/August 2024: Science History from 50, 100 and 150 Years Ago

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