chemicals

We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.

Because children's brain and behavioral disorders, like hyperactivity and lower grades, can also be linked to social and genetic factors, it's tough to pin them on exposure to specific chemicals with solid 33 statistical evidence, which is what the EPA re

Health and environmental advocates have long urged U.S.government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-term effects.

The agency is now investigating the toxic effects of some of the chemicals in the latest report.

The developing brain, the report says, is particularly vulnerable to the toxic effects of certain chemicals these products may contain, and the damage they cause can be permanent.

The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.

While it may be impossible to prevent kids from drinking tap water that may contain trace amounts of chemicals, keeping kids away from lawns recently sprayed with chemicals and freshly dry-cleaned clothes can't hurt.

Although we may not be aware of chemicals like pheromones consciously, we give and receive loads of information through smell in every interaction with other people.

Changing levels of body chemicals called hormones not only make teenagers' bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.

Her popular 1962 book Silent Spring raised awareness of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.

Hormones are chemicals which are produced by the body to control various body functions.

In contrast, humans do not seem to be as gifted as other animals at detecting such chemicals.

Many animals give off pheromones — natural chemicals that can be detected by, and then can produce a response in, other animals of the same species.

Some plants pump out smelly chemicals to keep insects away.

These chemicals come from the injured parts of the plant and seem to be an alarm.

They are affected by certain body chemicals.

What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, vocs for short.

Where we use sound and sight to communicate, ants depend primarily on pheromone, chemicals sent out by individuals and smelled or tasted by fellow members of their colony.

For H&M to offer a $5.95 knit miniskirt in all its 2,300 -plus stores around the world, it must rely on low-wage overseas labor, order in volumes that strain natural resources, and use massive amounts of harmful chemicals.