Whatever happened to acid rain?

Kangaroos are the only marsupial to hop, which is pretty weird. We'll investigate why. See omnystudio.com/listener for privacy information.

6 Maj 13min

Boeing used to be one of the most respected engineering firms in the world. Then it changed its focus from making great airplanes to increasing its stock value. The result was the 737-MAX, a plane tha...

5 Maj 48min

Psychologist Julian Jaynes came up with a stunning hypothesis in 1976, that human consciousness only developed in the last 3000 years. And he seemed to have proof in ancient texts. Scholars have been ...

2 Maj 50min

Of course we're talking all about maple syrup today - the tapping, the processing, the eating.See omnystudio.com/listener for privacy information.

30 Apr 49min

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 omnystu...

29 Apr 13min

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 ou...

28 Apr 44min

Fever dreams can be unsettling experiences. These ramped up nightmares are vivid, detailed and only happen when the human body experiences a fever. What is it about the combination of fevers and dream...

25 Apr 35min

Humanity’s created a lot of neat things over the eons and starting in the 1940s, the UN created an agency focused on preserving those things for the whole world and future people. But that mission is ...

23 Apr 41min