Lichen can help diagnose what is happening to an environment. In this presentation, April Windle gives an introduction to the Lichen ecology of Devon, England. If lichen is your thing and you want to learn more, why not follow the British Lichen Society on Twitter.
What Tiny Orchid Seeds Reveal About Their Evolution
New research on Central African orchids reveals that even the smallest seeds can preserve clues about how plants evolved and adapted over time.
