sciencehabit writes: If Costa Rican trees could speak, perhaps they'd ask for a cool glass of fog. A number of plant species in the country's tropical cloud forests quench their thirst by slurping up fog droplets through their leaves, a new study shows. The finding comes thanks in part to fake, plastic leaves researchers placed on the tree branches, each with an incomplete electrical circuit that conducted electricity when wet.
"Necessity is the mother of invention" is a silly proverb. "Necessity
is the mother of futile dodges" is much nearer the truth.
-- Alfred North Whitehead