How to Drink a Tree's Blood

By all rights there should be three sets of molars in your mouth. But it turns out that our skulls aren’t really set up to accommodate that many anymore. Exactly why depends on who you ask.See omnystudio.com/listener for privacy information. 

In the 1970s, conservation groups around the world rose up to protect dwindling whale populations, some on the verge of extinction. They all worked under the same banner: Save the Whales! It turned out to be one of the most successful campaigns ever.See omnystudio.com/listener fo ...  Show more

A young woman’s body was found on the side of the road in Choctaw, OK in 1990. Four years after her death, her son, Michael Hughes, was abducted from his elementary school by a man who claimed to be his father. Who was the young woman and what happened to her son? Her death an ...

The most interesting thing about Marie Besnard might not be that she was accused of poisoning about a dozen people. It's that she got away with it -- and got wealthier with each murder.

Thailand's authorities recently closed an investigation on the most notorious serial killer in the country's history: Sararat Rangsiwuthaporn, commonly called "Am Cyanide," poisoned more than 14 people in a murder spree that left local police baffled -- until they learned the ful ...  Show more

In 1964, 19-year-old Mary Sullivan was strangled to death in her apartment, the 13th victim of a killing spree that had terrorized Boston for 18 months. Her death remained unsolved for nearly 50 years. The same is true for a dozen more deaths attributed to the Boston Strangler. I ...  Show more