Mr. Wizard's Science Secrets

Bending Light

David Attenborough and scientist Johan Rockström examine Earth's biodiversity collapse and how this crisis can still be averted.

Elmo and his Sesame Street friends work with former NASA engineer turned YouTube star Mark Rober to make special presents for a Merry Giftmas exchange.

"What's on your mind?" It's the friendly Facebook question which lets you share how you're feeling. It's also the question that unlocks the details of your life and helps turn your thoughts into profits.

Capturing CO2 to recycle it, brightening clouds to better intercept sunlight, massive reforestation: here's an overview of scientific solutions to combat global warming that offer a glimmer of hope.

TGV M : La Techno du nouveau fleuron de la SNCF

Close and daily, sometimes comical but often tragic, sleepiness takes an important place in our lives. Suddenly falling asleep, sometimes with their eyes still open, affects more than 10% of the population. The leading cause of fatal accidents on motorways, drowsiness is also prevalent in the world of work. A silent, irrepressible phenomenon... a flaw in a system of performance, speed, reactivity. So what is happening in our brain? Can we control the conditions of sleepiness? By working on sleep and especially on the functioning of wakefulness, researchers are trying to understand the biological and environmental mechanisms that keep humans at the peak of their abilities. After a clear technological improvement, it turns out that man, having become an expert and process controller, finds it very difficult to focus his attention over time.

Speed - the obsession of the modern world - is determining what people should eat and how. Traditional foods are at risk of disappearing forever. An international eco-gastronomic movement known as Slow Food champions the protection of traditional culture, the environment and biodiversity while encouraging regional production, food education and pleasure. For these passionate and dedicated food lovers, sustainability, community and lifestyle are as important as seasonality, quality and taste.

Le Ciel au Moyen-Âge, Histoire d’Astronomie

Are the manned moon landings of Apollo one of the greatest hoaxes ever devised - perhaps even the greatest government conspiracy of all time? Were the moon walks filmed in a secret studio? Do you believe in the Moon Landing Hoax? The evidence will surprise you!

The first American space station Skylab is found in pieces scattered in Western Australia. Putting these pieces back together and re-tracing the Skylab program back to its very conception reveals the cornerstone of human space exploration.

Airbus : la techno des géants du ciel

Secrets of the Empire State Building

Superspeicher: Power auf Dauer?

The show tells a thrilling story of the most remarkable space mission in human history.

Photo sequence of the rare transit of Venus over the face of the Sun, one of the first chronophotographic sequences. In 1873, P.J.C. Janssen, or Pierre Jules César Janssen, invented the Photographic Revolver, which captured a series of images in a row. The device, automatic, produced images in a row without human intervention, being used to serve as photographic evidence of the passage of Venus before the Sun, in 1874.

OUR ARK is an essay film on our efforts to create a virtual replica of the real world.

A scientific expedition travels to an alternative Earth in hope of finding a new home for humanity, which has destroyed its own planet. But is it even possible to escape old patterns?

Perseverance, une année sur Mars

In this documentary, scientists reveal their findings on the influence of solar storms on animal behavior and human transport infrastructure. The documentary explains why solar storms pose a threat to humanity: In extreme cases, they can damage satellites, slow down air traffic and paralyze high-voltage and telecommunications networks.