But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine.

VOA: special.2009.07.22

"It's pretty natural. You kind of learn from each other, mom and baby, how it's all going to work.

VOA: special.2010.08.04

Listeners loved it when Jack Benny and Fred Allen would say bad things about each other on their shows.

VOA: special.2009.03.09

When she arrived at Cazeau's, he lifted her out of the horse carriage and they held each other tight.

VOA: special.2009.06.27

But,the Internet is really a network of networks which exchange traffic all the time and compete with each other.

VOA: special.2010.08.20

He told Everett that he knew that he and his father had said nothing to each other for 20 years.

VOA: special.2009.03.07

A husband and wife may be divorced and go away from or out of the reach of each other.

VOA: special.2009.07.30

Being able to watch these animals playing, eating and communicating with each other in the wild is a special experience to treasure.

VOA: special.2009.08.19

It's lonesome enough to live in the mountains when a man and a woman care for each other.

VOA: special.2009.11.14

An old Russian military satellite and a United States communications satellite crashed into each other eight hundred kilometers above Siberia in Russia.

VOA: special.2009.04.01

As the American astronauts continued to float through space, they inspected each other and each other's spacecraft.

VOA: special.2009.07.01

The plates float about slowly, sometimes crashing into each other, and sometimes moving away from each other.

VOA: special.2010.01.12

Then Webster spoke about the things the North and South had done to make each other angry.

VOA: special.2009.04.02

An American nonprofit organization helps young people around the world to understand important issues, and each other.

VOA: special.2009.11.12