Humans have lived in the area of Yosemite for more than 4,000 years.

VOA: special.2009.01.07

But the current swine flu is a new strain to which humans have no immunity and against which existing vaccines offer no protection.

VOA: standard.2009.04.30

Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.

VOA: special.2009.08.26

Art seems to have been important to these early humans.

VOA: special.2009.08.18

They have little fear of humans.

VOA: special.2009.01.07

She has read the book four times. "I think if anything, this story talks about humanity and the universality of humans and how there's goodness in people and you just have to get to know one another."

VOA: special.2010.07.08

Then,beneath the balloon you have a cabin for the fragile humans."

VOA: standard.2010.06.21

In the 2008 hit Twilight, she fell in love with Edward, the eternally young teenager of the Cullen clan of vampires who have chosen to live among humans and resist the temptation to eat them.

VOA: standard.2009.11.23

Preliminary phase one tests of this new type of flu vaccine have already started in humans, but in an interview, Nabel said that even if all goes well, it will still be years before a universal flu vaccine is widely available.

VOA: standard.2010.07.21