22 February 2023
Your cells crackle with electric signals that guide embryonic development and heal wounds. If we can learn to tweak this “bioelectric code”, we might be able to prevent cancer and even grow new limbs
1 January 2023
Laboratory-grown sperm, placentas and embryos in animals will help us gauge why some pregnancies don't reach full term, but whether these procedures could one day be safe or even ethical in humans is unclear
22 March 2021
An embryo can reverse signs of ageing and appear younger than the fertilised egg from which it arose. This almost paradoxical finding suggests that embryos are able to rejuvenate, which could lead to ways of reversing age-related
19 February 2020
As the world gets warmer, animals whose sex is determined by temperature are finding cool ways to control their own fate. But can they adapt in time?
18 February 2020
Gene-edited pigs and brain implants are blurring the lines of what it means to be human, so our morals and laws may need to change to include beings that are “substantially human”
16 January 2019
The transparent eggs of pharaoh cuttlefish let them see predators long before they hatch and they can even learn to spot new threats
5 December 2018
Last week, He Jiankui announced that he had created the world's first gene-edited babies. Scientists around the world have condemned the experiment
5 December 2018
The scientist who led an experiment to create gene-edited babies has been criticised for acting unethically towards the couples and infants involved
11 April 2018
Artificial wombs and embryos made from skin cells – remarkable new techniques could revolutionise reproductive biology and help bring an end to infertility
13 March 2018
Thousands of frozen eggs and embryos may have been damaged after temperatures rose in two malfunctioning tanks at fertility clinics in California and Ohio
