Naked Scientists Special Editions

Loading player...
A tiny sensor capable of transmitting information from inside the body and powered by stomach acid has been unveiled by US scientists. The device was tested in a pig over the course of a week wirelessly transmitting its body temperature every twelve seconds to an external receiver. The MIT and Harvard-based team behind the work, which was published this week in Nature Biomedical Engineering, say this represents a step towards safer, cheaper ingestible sensors that could even be used to dispense drugs inside the body. Dr Giovanni Traverso of the Brigham and Women's Hospital at Harvard Medical School, a senior author on the study, gave Ricky Nathvani the details...
15 Feb 2017 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