Listen to this episode:
Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall
Vaccines endure African temperatures without damage
Scientists identify oldest crystal on Earth — 4.4 billion years old
Scientists count whales from space
Dogs hear human happiness – it’s in his (or her) master’s voice
Marsupials with suicidal sex habits: three new species found in Queensland
Download here. Duration: [0:34:18]