Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall.   00:00:51 A genetic analysis of the leather coat and fur hat worn by Otzi the iceman has not only revealed what animals he was wearing, but also why. 00:07:07 Zebra finch mothers sing weather reports to their eggs, and the embryos alter the speed of their development accordingly. 00:12:16 Tasmanian devils, nearly wiped out by a devastating facial tumour disease, may be showing signs of resistance to the cancer. This could have a dramatic impact on conservation efforts. 00:20:07 Traces of supernova ash has been discovered in fossils created by bacteria on Earth, which could explain an extinction event 2 million years ago. 00:23:04 Russian scientists have detected an unusually strong spike in radio signals from the vicinity of a nearby star. The internet says it's aliens. Actual scientists say it probably isn't. 00:30:46 The "EM Drive" - a space drive that appears to break the laws of physics - has "passed peer review". But what does that ac