Special Editions
Probing the weird, wacky and spectacular, the Naked Scientists Special Editions are special one-off scientific reports, investigations and interviews on cutting-edge topics by the Naked Scientists team.
ELife episode 17: Stress, fertility and remote-controlled sperm
In this episode of the eLife podcast we hear about controlling sperm by optogenetics, hibernation, body clocks, enzyme structure, and a way to overcome stress-induced infertility.
Differences between male and female brains
Your brain is more complex and powerful than the world's biggest supercomputer, built while you're a baby growing in the womb from the recipes encoded in your genes. But how do your growing brain cells know which genes to use? The answer comes from epigenetic modifications - the special chemical…
Mitochondrial Diseases: 3 Parent Embryos
What are so-called "3 parent embryos", and what are the arguments for allowing it? Hannah Critchlow discussed the issues with MP Julian Huppert, who supported the recent motion to permit the process in the House of Commons…
Chicks can count too!
Humans do it. Primates do it. And now it's been found out that birds can also do it - 3 day old chickens have been shown to order numbers low to high, from left to right - just like on a ruler! The findings, published in Science, could indicate that…
How close are we to the next mass extinction?
Around 250 million years ago our world was a very different place. Rather than the different continents we know today, there was only one giant land mass - Pangea - covered with plants and animals. But then something went horribly wrong. Over a few million years, more than 95 per…
Nano-Scale Quill Pen
Quill pens might be about to make a comeback - but not in a stationers! Because researchers have developed a nano-scale ink pen that can be used to control the shapes of polymers that can be used to make superfast computers. Polymers are are giant chemical structures made by linking…
Super-slippery, water repellent surfaces
A new breed of super metals, that are extremely water repellent have been created. Their potential applications range from rust and frost free aircraft to self-cleaning toilets. Danielle Blackwell spoke to Prof. Chunlei Guo from the University of Rochester to find out more…
Sea turtle sat nav
Sea turtles follow unique magnetic signatures to return to their home beaches to lay their eggs.
Crashing Cars
Over 3000 people are killed on the world's roads every day with further 20-50 million people left injured or disabled. And whilst the number of serious injuries have come down - one type of injury -damage to the spinal cord - has remained stubbornly high. The car company Volvo have…
Geese fly over the Himalayas like a roller coaster
Bar-headed geese reach altitudes of several thousand meters in their annual migration across the world's highest mountain range. A new study shows that they have a peculiar way to save energy on this long journey, as Khalil Thirlaway finds out from Dr. Charles Bishop of Bangor University…
Can cycling keep you younger?
A common New year's resolution is to hit the gym and get fit. But while most people might give up and return to the comfort of the sofa by February, research suggests that being physically active for your whole life has big health benefits. But can it slow down the…
Could a brain scan predict your future?
Could a brain scan predict your weight, your school grades and your happiness levels two years down the line?
Cartoons are deadly (for lead roles)
Whether it's an outing to the cinema or gathered in the living room, films are a great way to spend time as a family at Christmas. If children are involved, the choice of title will often be made with them in mind. Reservoir Dogs might be shelved in favour of…
Has Curiosity found life on Mars?
Last week scientists attending the American Geophysical Union meeting in California unveiled measurements made on Mars by the Curisoity rover, which has been exploring the red planet for the last 2 years. What Curiosity has uncovered are organic molecules and also periodic puffs of methane gas, both of which might…
Feeling old shortens your life
People often talk about feeling their age, but how old you say you feel is strongly linked to your life expectancy. A new study at UCL in London has shown that people who feel their age, or feel even older than their real chronological are almost 40% more likely to…
Machine makes people more empathic
There's the old saying that if you want to understand someone, you should walk a mile in their shoes. But what if you could walk in their actual body? Thanks to virtual reality headsets, this is now - at least virtually - possible. And by fooling people into thinking they…
Foraging for Fossils
How do we know about the ancient animals that used to roam the Earth? If all life got its start in the sea, then why do most animals now live on land?Sara Sjosten went behind the scenes at the Sedgwick Museum of Earth Science with Sarah Finney to find out…
ReCAPTACHA with Luis von Ahn
Luis von Ahn invented CAPTCHA - the system that uses a picture of a word to determine whether you are a human or a computer. But when von Ahn realised just how much time was being wasted by filling in CAPTCHAs he wondered whether that man-power could be used for…
The science behind fasting
What's the science behind the so-called 5:2 or intermittent fasting diet?
Does your dog understand you?
Does your dog pay attention to what you say? Thinking back to the last time it rolled in something stinky, or ran off with your socks, you may not be convinced. But new research from the University of Sussex shows that man's best friend is at least listening; and not…