Forget flowers: These ancient plants attract pollinators by getting hot

Beetles (Rhopalotria furfuracea) visit a male cone of the cycad plant Zamia furfuracea, whose cones produce heat during pollination.

While many modern plants use colorful flowers to attract pollinators, ancient palm-like plants called cycads lure them by heating up and glowing in the infrared.

(Image credit: Michael Calonje)