Why elephants rarely get cancer?
Elephants have 38 additional modified copies (alleles) of a gene that encodes p53, a well-defined tumor suppressor, as compared to...
World running out of snakebite antidote
The treatment is called Fav-Afrique. It's the only anti-venom approved to neutralize the bites of 10 deadly African snakes, like spitting...
Scientists Regrow an Entire Rat Limb in the Lab
A team of regenerative scientists and surgeons at Massachusetts General Hospital successfully grew a semi-functional rat forelimb in the...
How X chromosome is inactivated in female mammals?
One of the X chromosomes is completely and permanently inactivated during a female's early development in the womb. Research into mice...
Transforming skin cells into neurons
Chemical treatment transforms skin cells into neuron cells in human and mice. A transcription factor was always necessary to complete the...
Pupil shape linked to animals' ecological niche
The pupils could also reveal whether one is a hunter or hunted. Species with pupils that are vertical slits are more likely to be ambush...
