As the ocean warms across its temperate regions, kelp forests are collapsing and turf algae species are taking over. This ...

“This shift from kelp to turf is analogous to a terrestrial forest transitioning into a grassland,” said the study’s lead ...

A new study offers a reason why Maine's decimated kelp forests may fail to recover: a chemical released by red algae that can ...

The ban will protect firefighters from toxic chemical exposure. Governor signs ban on dangerous chemical used for decades in ...

Amid restructuring, the agency is likely to gut its research program for evaluating the health risks of toxic chemicals.

Review what happens during a physical change and introduce the idea of chemical change. Tell students that in previous chapters they have studied different aspects of physical change. When atoms and ...

Students will be able to make measurements showing that whether the process is a change of state, dissolving, or a chemical reaction, the total mass of the substances does not change. Note: In the ...

Understanding the differences between physical and chemical changes is the basics in the study of chemistry. These two types of transformations describe how substances can change in terms of their ...