Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Bonding Partners and Energy May Change in a Chemical Reaction
stages of the family cycle
social support for the family caregiver
Drag the labels to indicate the change in the size of the reservoir. . .