The technology involves caterpillar ovary cells, which were isolated 20 years ago, and a virus called baculovirus that infects insects but does not harm humans, Adams said.

CNN: CDC: U.S. may need 600 million swine flu vaccine doses

So far federal regulators have found no evidence of harm to humans.

WSJ: Anxiety Drug in Rivers Affects Fish Behavior

Japanese government officials stress that the radiation leak at its current level will not cause harm to humans at least 30 kilometers away.

FORBES: Tokyo Streets Quiet As Foreigners Flee, Locals Hunker Down

Not one of the more than 5, 000 studies conducted on BPA worldwide has shown harm to humans of any age in normal consumer use.

FORBES: Regulation By Litigation May Be Hazardous to Your Health

There are some studies that suggest harm in laboratory animals, but larger subsequent studies have failed to confirm any of these earlier findings of harm in lab animals, and there are no studies showing any harm in humans under normal consumer use.

FORBES: Using Science As the Guiding Hand of Food Policy

It acts as a sunlight filter, shielding life on Earth from harmful ultraviolet rays that put humans at greater risk of skin cancer and cataracts and harm marine life, the agency said.

CNN: Ozone hole grows in 2008

The Cornell researchers stressed that consumption of Bt corn poses no threat to humans, nor is there any evidence that Bt corn causes harm to bees, ladybugs or other beneficial insects.

CNN: Researchers find bio-engineered corn harms butterflies