Aug 21

Not cold fusion all over again

A desktop nuclear fusion reactor that uses electrochemistry to up the ante. Also, a global survey of human wildfire exposures finds Africa burning ahead, plus tiny swarming robots and record-breaking 2024 ice melts from glaciers on Svalbard. Presenter: Roland Pease Producer: Alex ... Show More

30m 13s

Aug 14

Vaccine study retraction request rejected

US Health Secretary RFK Jr’s call to retract a study on childhood vaccines is resisted by the journal. Also antibiotics get designed by AI, and a new way for stars to die. A study focussing on Danish childhood vaccination data has attracted the US Secretary for Health’s anger, as ... Show More

30m 43s

Aug 7

An end to allergic reactions?

As the United States secretary of health and human services, Robert F Kennedy Jr., announces a $500 million cut to mRNA vaccine research in the United States, we hear a statement from the Nobel Prize winning biologist who made mRNA vaccines possible. A team of scientists from Nor ... Show More

29m 37s

Oct 2021

Can we still avoid climate catastrophe?

Just a few days before COP26 opens in Glasgow, the World Meteorological Organisation reported record greenhouse gas levels, despite a fall in CO2 due to pandemic restrictions. The UN Environment Programme’s Emissions Gap Report also revealed that current country pledges will only ... Show More

1h 2m

Nov 2021

Can COP26 deliver on climate change?

The science is unequivocal: human-made climate change is leading the world into an environmental crisis, and time is running out to prevent permanent damage to ecosystems and make the planet uninhabitable for many of us humans. As communities around the world increasingly experie ... Show More

39m 53s

Nov 2021

Geoengineering The Planet

Even with the best efforts, it will be decades before we see any change in global temperatures through our mitigation efforts. Given the pace of global heating and the time lag before our emissions reductions have any impact, scientists are exploring additional ways of reducing g ... Show More

27m 23s

Nov 2021

Jet fuel from thin air

Scientists in Switzerland have developed a system which uses solar energy to extract gases such as hydrogen and carbon dioxide from the air and turns them into fuels for transport. So far they have only made small quantities in experimental reactors, however they say with the rig ... Show More

1h 13m

Nov 2021

Geoengineering The Planet

Geoengineering is already underway from Australia to the Arctic as scientists try to save places threatened by global heating. It’s time for a global conversation about how we research these powerful techniques, with agreements on how and where to deploy them. Global temperature ... Show More

27m 29s

Aug 2021

Methane - a climate solution?

The latest IPCC assessment raised alarm about the rate at which manmade emissions are contributing to climate change. Much of the focus for action is on reducing levels of carbon dioxide, however there is a more potent greenhouse gas, methane, produced by natural and industrial p ... Show More

1h 7m

Dec 2021

Tracking the whole world's carbon emissions -- with satellites and AI | Gavin McCormick

What we know today about global greenhouse gas emissions is mostly self-reported by countries, and those numbers (sometimes tallied manually on paper!) are often inaccurate and prone to manipulation. If we really want to get serious about fighting climate change, we need a way to ... Show More

10m 40s