Alice wonders why it’s dark at night. If we are in an infinite Universe, why isn’t the sky full of starlight. Bob suggests that for some reason the light from the very distant stars hasn’t reached us yet. This leads on to the idea that the universe has a beginning and an age. This clip could provide a lead in to...

Planetary scientist, Professor Andrew Coates, explains why scientists look for the evidence of signs of past life on Mars.  He talks about the history of Mars and the current harsh environment on the planet. This video is part of a series of ten which look at the one of the elements of the European Space Agency’s...

In this Teachers TV video, two consortia in Birmingham prepare to pilot the Secondary Diplomas in Engineering and Creative and Media. The...

This resource from the Institute of Physics (IOP), describes how X-rays can be used to image the body. The X-rays video, taken from an IOP Schools and Colleges lecture, describes how Roentgen discovered how to image using X-rays, in his lab. The lecture also describes how barium and iodine can be used to to image...