Both in peace and in war men need to know where they are on the surface of the earth, and, nowadays, in space.
Our ability to make very precise measurements has impacted the progress of science in innumerable positive ways, but is it
Animals only manage to eat around a fifth of the vegetation that’s available to them. So why don't they eat more?
Sue Hartley explores the different ways plant-eating animals have evolved to adequately sustain themselves.
Just like humans and other animals, plants need to communicate, particularly when they are under threat.
Sue Hartley explores the ways we can manipulate plants to suit our own needs.
Sue Hartley's fifth and final lecture of the series looks at what effects climate change is having on plants.
In his first lecture, David Pye introduces us to the many different ways we, humans, have devised through the course of the