It is often used to study how the new discoveries in science will affect humans, animals and nature.

The only conditions of this ability are that he cannot add to the object and it does not affect humans.

It also causes disease in red grouse, and can affect humans.

This affects humans because there is less oxygen to breathe.

The disease does not usually affect humans but can have dire financial consequences for farmers.

"I suppose that's more evidence that whatever hit us only affects humans," the captain said.

Neither showed any effect beyond the drowsiness I'm told usually affects humans.

It is not known to affect humans at all.

It can affect humans, with infants and small children being the most susceptible.

From 70,000 to around 10,000 years ago there was a big ice age which affected humans and the way that they lived.