Water is a Useful Thing

Wetlands are very useful things, filtering water, preventing floods, recharging aquifers, and of course providing homes for ducks and waterlilies.

Water is also a friend to anthropologists.  The low oxygen levels at the bottom of swamps preserves dead people and their toys.

A body found in Ireland by a man digging peat has been dated to 4,000 years ago.

A video on the find is here.

In far-off Minnesota, archaeologists digging in a swamp have discovered the remains of an 8,000 year old campsite.

Cool information is here.

And also, a new way has been found to create hydrogen using sunlight - in other words, a non-polluting way to create a non-polluting fuel.

See how they can do it here.