4 ideas from Charles Darwin, each explained in a minute and credited to the original work. Free on Savvy.
Alfred Russel Wallace, working in Indonesia, mailed Charles Darwin an essay describing natural selection — the same theory Darwin had quietly developed over twenty years. Rather th…
— Charles Darwin and Alfred Russel Wallace, On the Tendency of Species to form Varieties
After 40 years of observation, Charles Darwin's final book, published in 1881, argued that earthworms churn and enrich soil on a massive geological scale, gradually burying ancient…
— Charles Darwin, The Formation of Vegetable Mould, through the Action of Worms
Charles Darwin wasn't hired as the HMS Beagle's official naturalist — that job belonged to the ship's surgeon. Captain Robert FitzRoy, worried about the isolation that had driven h…
— Charles Darwin, Voyage of the Beagle
In 1862, Darwin examined a Madagascar orchid with a nectar spur nearly 30 centimeters deep and predicted a moth must exist with a proboscis long enough to reach it, though no such …
— Charles Darwin, On the various contrivances by which orchids are fertilised by insects