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Hair Today, Gone Tomorrow?

Some scientists suggest that a better understanding of hair biology might not only lead to new treatments for people with too little (or too much) hair but also shed light on cancer, the growth and development of bodily organs, and other matters.

Ant invaders strand seeds without rides

Invading Argentine ants may reshape the plant composition of the South African fynbos ecosystem because the newcomers don't disperse seeds.

Rare sheep cloned from dead donor

An international team used cells from recently dead ewes of the rare mouflon sheep to clone a lamb.

Dolly Was Lucky

Scientists studying the data on animal cloning argue that cloning a person would be unsafe.