Illuminating the evolution of social parasite ants

Ants are known as hard workers, tirelessly attending to their assigned tasks—foraging for food, nurturing larvae, digging tunnels, tidying the nest. But in truth, some are total layabouts. Called workerless social parasites, ...

Unlocking the black box of embryonic development

Little is known about the molecular and cellular events that occur during early embryonic development in primate species. Now, an internationally renowned team of scientists in China and the United States has created a method ...

Mole rats are pain-free, thanks to evolution

African mole rats are insensitive to many kinds of pain. As an international research team led by the MDC's Gary Lewin reports in Science, this characteristic has allowed mole rats to populate new habitats. Thanks to a genetic ...

Infectious disease may have shaped human origins, study says

An international team of researchers, led by scientists at the University of California, San Diego School of Medicine, suggest that inactivation of two specific genes related to the immune system may have conferred selected ...

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