The origin of all complex life has been traced back 1.6 billion years as new molecular fossil records have discovered the fatty stains that our ancient single celled ancestors have left behind. Jochen Brocks, Professor of Geobiology at Australian National University, discusses the significance of these unique biological signatures.
One billion years later, ... Show More
Oct 30
How science got here, and where next
As anti-science leaves research reeling, does evidence-based policy in a scientific society have much of a future? Michael Mann, Naomi Oreskes, Angie Rasmussen and Deb Houry discuss some of the sources and motivations that perhaps belie the current state of scientific affairs. Pr ... Show More
31m 30s
Oct 16
Paris agreement impacts and drought realities
Ten years on from the Paris climate agreement, has it helped? Also, an international drought experiment, insights from 2D water, and social distancin in ants. Presenter: Roland Pease Producer: Alex Mansfield Production co-ordinator: Jana Bennett-Holesworth(Photo: Small bushfire. ... Show More
38m 45s
Jun 2023
Tom Higham, "The World Before Us: The New Science Behind Our Human Origins" (Yale UP, 2021)
Fifty thousand years ago, Homo sapiens was not the only species of humans in the world. There were also Neanderthals in what is now Europe, the Near East, and parts of Eurasia; Hobbits (H. floresiensis) on the island of Flores in Indonesia; Denisovans in Siberia and eastern Euras ... Show More
41m 25s
Nov 2017
Interstellar visitor, Svante Paabo, Synthetic biology, Plight of the Axolotl
On 19th October, a mysterious object sped through our solar system. It was first spotted by astronomers with a telescope in Hawaii. Its trajectory and speed told of its interstellar origins. It is the first body to be detected from outside our solar system. Scientists are now pub ... Show More
34m 23s
May 2022
Homo erectus
Melvyn Bragg and guests discuss one of our ancestors, Homo erectus, who thrived on Earth for around two million years whereas we, Homo sapiens, emerged only in the last three hundred thousand years. Homo erectus, or Upright Man, spread from Africa to Asia and it was on the Island ... Show More
51m 3s
May 2022
Homo erectus
Melvyn Bragg and guests discuss one of our ancestors, Homo erectus, who thrived on Earth for around two million years whereas we, Homo sapiens, emerged only in the last three hundred thousand years. Homo erectus, or Upright Man, spread from Africa to Asia and it was on the Island ... Show More
51m 3s