EU court clears stem cell patenting
A human egg used to produce stem cells but unable to develop into a viable embryo can be patented, the European Court of Justice ruled on Thursday.
Stunning zinc fireworks when egg meets sperm
Sparks literally fly when a sperm and an egg hit it off. The fertilized mammalian egg releases from its surface billions of zinc atoms in "zinc sparks," one wave after another, a Northwestern University-led ...
Female termites found to clone themselves via asexual reproduction
Study shows how epigenetic memory is passed across generations
A growing body of evidence suggests that environmental stresses can cause changes in gene expression that are transmitted from parents to their offspring, making "epigenetics" a hot topic. Epigenetic modifications ...
Researchers discover ancient virus DNA remnants necessary for pluripotency in humans
Researchers find mother beetles eat young that beg too much
Feast clue to smell of ancient Earth
Tiny 1,900 million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled like.
Adults lack stem cells for making new eggs, research shows
Mammalian females ovulate periodically over their reproductive lifetimes, placing significant demands on their ovaries for egg production. Whether mammals generate new eggs in adulthood using stem cells has been a source ...
Study finds color and thickness of eggshells in wild birds related to light level exposure
Fruit flies medicate their larvae with alcohol
New proto-mammal fossil sheds light on evolution of earliest mammals (w/ Video)
A newly discovered fossil reveals the evolutionary adaptations of a 165-million-year-old proto-mammal, providing evidence that traits such as hair and fur originated well before the rise of the first true ...