Naked Scientists Special Editions

Detecting dark matter

Loading player...
It makes up most of the stuff in our universe, but we can't see it or weigh it - but we know it has to be there. This elusive substance is dark matter, and according to a new paper in the journal Nature Physics this week, it's all around us in our own galaxy - the Milky Way. To find out more about dark matter, and what this new map of the dark matter in our galaxy might tell us, Kat Arney went to speak to UCL astrophysicist Chamkaur Ghag, who's working on ways to detect dark matter here on earth.
13 Feb 2015 English United Kingdom Science

Other recent episodes

Sickle cell defeated malaria and opened up pastures new

Malaria has been killing humans for at least fifteen thousand years, and our DNA still carries the scars. Ninety percent of the world's malaria cases are in Africa. But this isn't just a modern health crisis. It's written into our evolutionary history. New research from the University of Cambridge reveals…
13 Jul 8 min

Malaria in Africa

Africa remains at the centre of the global malaria crisis. The continent accounts for around 95 percent of all malaria cases, placing immense strain on health systems and costing hundreds of thousands of lives each year. In 2023, there were an estimated 249 million cases globally, with the vast majority…
20 May 10 min

Driven to End Malaria: World Malaria Day 2026

A child dies from malaria roughly every minute. A stark reminder of why urgent action is still needed. "Driven to end malaria, now we can, now we must" is the theme of this year's World Malaria Day marked on the 25th of April. But how realistic is that, and how…
26 Apr 7 min

Moths hear plants, and what fingerprints do for touch

In this episode, how kangaroos alter their postures to store more energy in their Achilles tendons and boost movement efficiency, the moths that make a beeline when they hear plants "talking" to them, tracking how people pick up diseases from their surroundings, the contribution fingerprints make to touch sensation, and…
28 Feb 37 min

Nocebos, and why the eyes of some species stay shut at birth

This month, compelling evidence for why some species keep their eyes closed for sometimes several weeks after birth, scientists prove that the "nocebo" effect is more potent than a placebo, researchers report what happens when fish eggs and mouse sperm mix, the signals that cells use to measure the lengths…
30 Nov 2025 40 min
All episodes