In Kenya, farmers are turning bees into unexpected helpers to keep elephants off their crops
Contaminated air is not only bad for us, it can also disrupt bees' highly attuned senses for finding flowers.
Experts warn it's "boom time" for invasive species like the Asian hornet. But some native bee species are learning to fight back.
We're often tempted to add flowers to our gardens to attract bees and promote biodiversity. But what if this is sometimes a bad idea?