Human eggs prefer some men's sperm over others, research shows

Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University NHS Foundation Trust shows that eggs use these chemical signals to choose sperm. Different women's eggs attract ...

Mammals can breathe through anus in emergencies

Rodents and pigs share with certain aquatic organisms the ability to use their intestines for respiration, finds a study publishing May 14th in the journal Med. The researchers demonstrated that the delivery of oxygen gas ...

Human hybrids: a closer look at the theory and evidence

There was considerable fallout, both positive and negative, from our first story covering the radical pig-chimp hybrid theory put forth by Dr. Eugene McCarthy, a geneticist who's proposing that humans first arose from an ...

Experiment halted in Norway after whale drowns

A controversial research project in Norway on whales' hearing was suspended after a whale drowned, researchers said on Wednesday, as activists slammed the "cruel and pointless" experiments.

GMO corn, soybeans dominate US market

The discovery of unauthorized genetically engineered wheat growing on a farm in the US state of Oregon has cast a spotlight on agricultural biotechnology and the debate about its safety.

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