The sun has got his hat on and people may be having a picnic, firing up the BBQ or taking a trip to the beach; what does British summertime mean to you?
This free course is a general introduction to the frozen planet, including the temperature in the polar regions; the energy from the Sun and the seasons; reading and understanding graphs and maps; and how the Arctic and Antarctic regions are defined.
Our skin’s response to sunlight is rooted in science. Discover how ultraviolet rays affect us, why tanning occurs, and what really happens when we get sunburnt – plus how sunblocks and sunscreens work to keep our skin safe.
To Professor Sir Martin Rees, the Astronomer Royal, the essential nature of the cosmos and the evolution of the entire world have been determined by just six numbers...