Science Episodes

It isn't only physicists who are fascinated by light. Poets too have been entranced by its powers. Photons have mysterious properties. Perhaps this is why we like to light candles when we're feeling contemplative.

Li-Fi, short for "Light Fidelity" is a wireless technology that uses LED light to share data. It is faster and safer than regular WiFi. And it could soon be put into practice.

MIndAffect is researching ways to let users control devices with just their minds.

Africa's first climate monitoring station is located on Mount Mugogo in Rwanda. Scientists there monitor levels of various greenhouse gases. They hope their data will help strengthen Africa's position at international climate negotiations.

Mark Zuckerberg and his wife recently announced they want to cure the world of all disease.

Blanketing the Antarctic ice sheet in artificial snow might sound outlandish. But could geoengineering help to counteract runaway climate change? One thing is clear: many of the ideas could be very risky.

In the Gorongosa National Park, young female scientists are cataloguing flora and fauna for a global genetic database. It will enhance our understanding of the diversity of life on earth and the roles different species play.

This week's viewer question comes from Osman Maiga in Uganda.

Cholesterol and heart attacks across the country are both down since 2013 due to improved medical advice.

Whether hard drives or electric motors, rare earth elements play a key role in a range of technologies. The metals mostly come from China. To ease dependence, researchers at the RWTH Aachen University are working on recycling the precious elements.

Travelling up and down the river, Alexander von Humboldt was ravished by the beauty and variety of the landscapes, flora and fauna. Today nature conservationists are battling to preserve the region's many threatened species.

If sap could be manipulated to make a plant more attractive to various pollinators, it would help secure harvests. A common plant pest is helping researchers in the process.

With TB as the leading infectious cause of death around the world, researchers have found a new vaccine that could save millions.

Botswana to set up boreholes to save elephants during the drought caused by climate change. At least 120 elephants have died in the Chobe area, last week.

Prof Jennifer Doudna, one the pioneers of Crispr-Cas9 gene editing, explains how this revolutionary discovery enables precise changes to our DNA.

Memory does not work like a video tape – it is not stored like a file just waiting to be retrieved. Instead, memories are formed in networks across the brain and every time they are recalled they can be subtly changed.

The first of a series of films called 'Five minute masterminds' starts with Prof Martin Rees, the astronomer royal.

Though not a new phenomenon, flat Earth theory has enjoyed a huge resurgence recently.

A Harvard study found that eating a handful of nuts frequently helps keep off excess weight gain.

Sound is a vital element of any film. But what about sounds you can't hear? In this video, Cheddar Explains how sub-bass sounds, and infrasounds can be used to mess with the human body - from discomfort, to straight-up anxiety.

The Centers for Disease Control and Prevention highlights long-term and unresolvable burnout not as a symptom, but a major health concern.

Have you ever walked down a city street in the winter and almost been blown off your feet by freezing wind? Well, it's the result of man-made street canyons. Towering buildings lining city avenues cause conditions like elevated temperatures, wind ...

The fashion industry is a fossil-fuel-guzzling operation as many of our clothes are made from petroleum-based textiles such as polyester.

Since its inception the art of typography was very much that: an art form. New fonts were designed to suit a mood, match a message, or to better catch your eye. But today, it’s becoming a science. Recently, an educational therapist and typographer...

A low-carb diet is by far the best way to lose belly fat, according to health experts.

A new study revealed a hidden perk of being tall.

New York City has always been described as filthy and smelly with trash everywhere. But, how did New York develop these characteristics? It began with the original urban planning back in the 1800's.

Drone technology is increasingly being used to provide remote care, supplement emergency responses, and generally decrease the time it takes for people to get the medical attention that they need. Cheddar explores the technology and some of the pl...

Are left-handed people different, or is that a myth?

The saying, "Choose to be optimistic, it feels better," has been backed up by science.

The Humboldt Current along the coast of Peru is bursting with life. With its nutrient-rich water from the depths, the ocean current discovered by Humboldt is vital for a huge ecosystem. But climate change is now disrupting it.

German scientist Alexander von Humboldt was intrigued by the way of life of indigenous peoples in South America. In that spirit we visit members of the Achuar people, who live in relative isolation deep in the Amazon forest.

Imagine a tower of the dead, looming over your downtown. Creepy? Or a good reminder that life is fleeting? Cheddar Explains why vertical cemeteries are on the rise.

Dr. Mona Sarfaty, the director of the Medical Society's consortium on climate and health, details how the changing climate requires a change in the way future doctors are taught about public health.

When Alexander von Humboldt traveled to Ecuador, he found dozens of volcanoes. The discovery prompted him to dub the area the "Avenue of the Volcanoes," and to this day, 17 of them remain active. DW went to see them.

The new Samsung Galaxy Note 10 and Note 10+. Key new features include Air actions - which allow users to phone some parts of the phone by making gestures in the air with the included S Pen stylus. Also includes AR Doodle feature which allows user...

Credit: David Gruber, City University of New York Glowing bright green may not seem like the most effective disguise, but some sharks take on the colour to make sure only their own kind can identify them. And while a green hue may be a sign of i...

The new Samsung Galaxy Note 10 and Note 10+ makes it debut . Key features include Air actions - which allow users to phone some parts of the phone by making gestures in the air with the included S Pen stylus, and supercharging. Other features i...

Worried about how to protect your seaside chips from pesky seagulls? Scientists believe the answer lies in an old-fashioned stare down. The would-be feathered thieves are more likely to strike when they can swoop in under the radar, avoiding the ...

The SpaceX Falcon 9 rocket has successfully launched from Cape Canaveral, Florida on Tuesday evening.The 70 meter rocket contained the AMOS-17 satellite which will provide internet, phone and secure communications to the Middle East, Africa, and E...

Glaring at seagulls makes them less likely to steal your food, according to a new study. University of Exeter researchers found on average the gulls took 21 seconds longer to approach the food if they were stared at. The would-be feathered thieve...

Samsung has revealed a new Galaxy smartwatch in its bid to take a bigger slice of the wearable market largely led by the Apple Watch. Six months after introducing the first Galaxy Watch Active, the South Korean is launching a successor which conti...

A flying electric car prototype has been tested in Japan. Japanese electronics giant NEC and Cartivator think this is the transport mode of the future. NEC officials say their flying car is designed for driverless flights for deliveries. The Jap...

Humboldt's Tableau Physique, shows the distribution of mountain vegetation as a function of altitude. Today scientists use the data to investigate changes due to global warming. But there are discrepancies, as Pierre Moret and his team discovered.

A bar entirely operated by robots is set to come to London. The Makr Shakr robotic bartenders can deal with more than 150 spirits and make an unlimited amount of drinks.

Everyone who lives long enough is likely to experience back pain. And the cause isn't just aging. We have evolution to blame for a spine that's an engineering nightmare. Cheddar Explores how our spines changed to accommodate human bipedalism.

Apollo 11 astronaut Michael Collins has returned to the exact spot where he and two other astronauts flew to the moon 50 years ago. At NASA's invitation, Michael Collins spent the golden anniversary Tuesday morning at Kennedy Space Center's Launc...

Take a look at the possible design for a futuristic Hyperloop station, set to revolutionise travel in Europe. The design was unveiled at Elon Musk's SpaceX headquarters in California. The Hyperloop concept is now being worked on by the world's to...