Royal Botanic Gardens, Kew

Caffeine enhances bee memory

(Phys.org) —Caffeine is the naturally occurring drug most widely used by humans. In nature, though, it is reported to act as a bitter and toxic deterrent to herbivores, preventing leaves and seeds from ...

May 13, 2013
5 / 5 (2) 0 | with audio podcast

Genome evolution and carbon dioxide dynamics

Using the size of guard cells in fossil plants to predict how much DNA each cell contained (the genome size), researchers have discovered that variations in genome sizes over geological time correlate with ...

Oct 25, 2012
5 / 5 (1) 0 | with audio podcast