Search results

• TLF-IDM020685

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

• TLF-IDM015800

Elliot challenges Ruben Meerman, the Surfing Scientist, to do an experiment that involves explosions, pretty colours and lollies! Watch this clip to see what he comes up with. You might also learn something about chemical reactions and the stored energy in food.

• TLF-IDM018849

Ecosystems are affected by many factors including increasing temperatures, which many scientists believe threaten natural systems on Earth today. This creative clip uses a theoretical world of black and white daisies to show how changes to the natural reflectivity of a planet's surface impacts temperatures and populations. ...

• TLF-IDM018842

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...

• TLF-IDM021121

Figuring out how to clean up contaminated rivers is a big challenge. It's also tricky to work out where the most contaminated parts of a river system are and whether its fish are safe to eat. Watch this video and learn how engineering has helped to solve these problems. Why do you think engineers looked to the bottom of ...

• TLF-IDM021084

Ever wondered what's happening when you get an itch? Watch as Dr Karl Kruszelnicki explains. What are the nerves under your skin reacting to, when they get triggered into action? What is the itch sensation telling your body?

• TLF-IDM015388

Imagine a world where the only place Siberian tigers lived was in captivity. Watch this clip to learn more about the natural habitat of Siberian tigers and the things that threaten their survival in the wild. Chinese scientists are breeding this endangered species in captivity and zoologist, Liu Dan, explains his hope that ...

• TLF-IDM020674

Why is it so important to keep our eyes on Greenland's ice and what does it have to do with climate change science? Watch this short animation from NASA to find out!

• TLF-IDM025356

By investigating sediments and debris left by devastating tsunamis throughout history, Japanese scientists are making discoveries that change the way we understand disaster prevention in the Pacific. Watch as research teams examine rocks and mud layers; create digital simulations of past tsunamis; and investigate the seabed ...

• TLF-IDM021659

When completed, the Square Kilometre Array (SKA) project will be the largest and most capable radio telescope available to scientists. Radio telescopes like the SKA detect radio waves produced by events and objects in the furthest reaches of space, translating these waves into data and imagery that allow scientists to study ...