human sperm

Scientists have observed some microorganisms, including human sperm, moving in ways that contradict Newton's third law.

Samples of human and cow sperm have just followed NASA's SpaceX Dragon spacecraft to the ISS space station during the latest supply shipment.

The journey to find a grandson from the rest of his son's death from a motorbike accident is causing mixed opinion from experts and people.

The Stanford University (USA) study, published in the Cell Journal, may help researchers understand the genetic mix to ensure the descendants carry mixed genes from both parents.