In Tanzania, we watched on many occasions when small flocks of red-billed birds descended upon the backs of giraffes, cape buffalo, elephants and hippopotamuses, prancing around like they owned them.

The recent discovery of a fossilized whale bone, curiously adorned with barnacles, has furnished scientists with a unique window into the migratory patterns of these aquatic giants from a bygone era.

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...