logo
episode-header-image
Jun 2023
28m 40s

The beginnings of us

Bbc World Service
About this episode
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
Up next
Yesterday
Old faces and big spaces in small places
The 2025 Nobel prizes are announced this week – how did Science in Action’s predictions fare? Science author and thinker Philip Ball judges.Also, a new “Human Disease Blood Atlas” gets a boost, as described by Mathias Uhlén of SciLifeLab.Meanwhile Nozair Khawaja of Free Universit ... Show More
31m 57s
Oct 2
A mystery satellite has been jamming GPS in Europe
Scientists detect for the first time an unknown source of GPS interference coming from space. Also, as AI begins to design more and more DNA sequences being manufactured synthetically, how can those manufacturers be sure that what their customers are asking for will not produce t ... Show More
36m 3s
Sep 25
Autism and the epigenetics of early brain development
Epigenetic changes during early brain development, and the complexities of autism. Also, how bacteria learn to parry antibiotics, the subterranean burp that shook the Island of Santorini, and new guidance for sharing land between farming space and living space for the pollinators ... Show More
36m 15s
Recommended Episodes
Jul 2022
The first galaxies at the universe's dawn
In the last week, teams of astronomers have rushed to report ever deeper views of the universe thanks to the James Webb Space Telescope. These are galaxies of stars more than 13.5 billion light years from us and we see them as they were when the universe was in its infancy, less ... Show More
54m 59s
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
Apr 2000
Human Origins
Melvyn Bragg and guests discuss the evolution of the human species. Where did we come from - we being Homo Sapiens? Let’s not go back to the Big Bang or in search of Genesis, but sift through the evidence from biology, palaeontology, climatology and anthropology.The story of huma ... Show More
28m 6s
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
Mar 2007
Microbiology
Melvyn Bragg and guests discuss the history of microbiology. We have more microbes in our bodies than we have human cells. We fear them as the cause of disease, yet are reliant on them for processes as diverse as water purification, pharmaceuticals, bread-making and brewing. In t ... Show More
41m 54s
Apr 2022
How many fossils are there?
The odds of becoming a fossil are vanishingly small. And yet there seem to be an awful lot of them out there. In some parts of the world you can barely look at a rock without finding a fossil, and museum archives worldwide are stuffed with everything from ammonites to Archaeopter ... Show More
27m 30s
Mar 2001
Fossils
Melvyn Bragg and guests discuss the significance of fossils. In the middle of the nineteenth century the discoveries of the fossil hunters used to worry poor Ruskin to death, he wrote in a letter in 1851, “my faith, which was never strong, is being beaten to gold leaf…If only tho ... Show More
42m 17s
Apr 2012
Early Geology
Melvyn Bragg and his guests discuss the emergence of geology as a scientific discipline. A little over two hundred years ago a small group of friends founded the Geological Society of London. This organisation was the first devoted to furthering the discipline of geology - the st ... Show More
42m 15s
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