Why every man, woman, and child should carry masks at all times.

How did a deadly disease creep into a popular Brazilian beverage?

A new biologic could save the thousands of people killed by pesticides every year.

A once-obscure virus spreads its wings, sickening hundreds. How did this happen?

A virus has the orange industry in trouble, and growers are partly to blame.

Many groups are underrepresented at schools, and Brazil's trying to do something about it.

Does one gene drive all progress in science and the arts?

The rise of forensic palynology, a once obscure science.

How not to deal with epidemics.

Wise Methuselahs could save the world.

The multiple uses of dung.

Anton Dilger used anthrax and glanders germs to sabotage horses during World War I; Jack Woodall reviews 'The Fourth Horseman'

Passive immunization is the answer.

A butterfly explodes the theory.

Wildlife conservation approaches to anthrax and poaching have divergent results.