Honeybees need a healthy diet of pollen, nectar and water. But at a bee laboratory in eastern Washington state, Steve Sheppard fills their feeding tubes with murky brown liquid from the forest.
His bees are getting a healthy dose of mushroom juice.
"If this does what we hope, it will be truly revolutionary," says Sheppard, who heads the Department of Entomology at Washington State University. "Beekeepers are running out of options."