This video explains the distribution of venomous animals and explains the way venom affects us.

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...

This video explains the structure of DNA and the role of histones and methyl groups in deactivating one of the X chromosomes in a female.  The deactivation of one X chromosome is random. As mitosis reproduces cells, they may contain the X chromosome inherited from the father or the mother.  This can’t be seen in...

This video shows the various levels of DNA packaging and the four basic building blocks of DNA. it allows you to take a journey into the body to see where the genome is found and how DNA is packaged in the nucleus of the cell. The journey starts outside the body and takes you into the liver and a liver cell. You...