U.S. Scientists Turn North for Help, Making Tomatoes Great Again and more

Plus hyperparasites, warring chimps, wildlife hashtags and more.
The Twitter account of Rogue NASA is seen replying to a tweet by U.S. President Donald Trump in a photo illustration in Toronto, Ontario, Canada January 26, 2017. REUTERS/Chris Helgren - RTSXK5Q (REUTERS)
Listen to the full episode54:00

Plus hyperparasites, warring chimps, wildlife hashtags and your questions, answered.