Upon their arrival in Puerto Rico, killer bees caused one human death a year. But something strange began to happen -- they became gentler.
Honeybees are in a crisis. Every year we lose about a third of these endangered creatures, which we rely on to pollinate most of the world's daily food. But as farmers face devastating losses, scientists are finding hope in the huge and barely tapped world of the 20,000 species of wild bees. These are the innovative methods and unusual experiments biologists are working on in their race to end this global calamity.
Access even more free Smithsonian Channel full episodes and documentaries online through participating TV providers.
Find out if your television provider carries Smithsonian Channel.
Don't panic! It's simple to upgrade to the latest version of one of these browsers:
Don't panic! To get the best possible experience on smithsonianchannel.com we recommend you upgrade your operating system.
For the best possible site experience, please use Chrome for Android.
Add username "SmithsonianChan" on Snapchat for fun and fascinating facts. We'll be sharing spontaneous photos and videos as inspiration strikes.