14 February 2011
Maternal instinct: do you have it?
Maternal instinct - an automatic response that leads to the nurture and protection of the young - seems to come effortlessly to animals, but is it the same for humans?
A free-wheeling housecat has a litter of kittens and immediately changes into a caring stay-at-home mother.
E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places.
A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.