Typhoid Mary case may be cracked, a century later

When Typhoid Mary died in 1938, in medical exile on a tiny New York island, she took untold numbers of Salmonella typhi to her grave. No one knew how the bacteria managed to thrive and not kill her.

Leaf cutter ants inspire powerful new anti-cancer drugs

(Phys.org) —Scientists at the University of East Anglia are developing a new class of anti-cancer drugs that are not only powerful but also circumvent a primary cause of resistance to chemotherapy.

Genetic switches play big role in human evolution

(Phys.org) —A Cornell study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by mutations to DNA sequences that play roles in turning genes ...

Very berry study aims to improve wine quality

A gene expression study of grapevine berries grown in different Italian vineyards has highlighted genes that help buffer the plants against environmental change and may explain the different quality performances of grapevine ...

Biology's drive toward engineering

Biology is on the verge of getting its versions of the lever, wheel and axle, pulley and other basic machines that enable engineers to build almost any mechanical device, a new analysis has concluded. The viewpoint article ...

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