Plasma guides maintain focus of lasers

In science fiction, firing powerful lasers looks easy—the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, care must be taken to ensure ...

Stone tools reveal how island-hopping humans made a living

Prehistoric axes and beads found in caves on a remote Indonesian island suggest this was a crucial staging post for seafaring people who lived in this region as the last ice age was coming to an end.

Bali sea turtles set free after poacher arrests

Around two dozen green turtles were released back to the wild in Bali on Wednesday after the endangered creatures were rescued from poachers on the Indonesian holiday island.

Researchers observe new, very short-lived neptunium isotope

In a recent study, researchers at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences and their collaborators reported the first discovery of 222Np, a new very short-lived neptunium (Np) isotope, and ...

Ancient oyster shells provide historical insights

An interdisciplinary team of scientists studying thousands of oyster shells along the Georgia coast, some as old as 4,500 years, has published new insights into how Native Americans sustained oyster harvests for thousands ...

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