For many children, the very early years of social and cognitive development are seriously endangered.

Some of them almost anyone can believe without seriously endangering himself.

Eleven species of fish have so far died out, and 13 are seriously endangered.

If the Russians have it and we do not, then this country's interests could be seriously endangered.

They do not argue that the dolphin population at large is seriously endangered.

More important, the Russian space program, struggling for funds like most state ventures, would have been seriously endangered.

In the brain and lungs, bleeding can seriously endanger life.

This could not be confirmed, and the only official report about them has said they were accused of "seriously endangering public order."

Decades of liberal no-growth policies have seriously endangered our economic and national security.

Small arms fire harried the first serial but did not seriously endanger it.