Many scientists today work in a laboratory environment designed to study the small things. Micropipette in hand, researchers slave for weeks, months, or years over a few microliters of solution that ...

Scientists have created synthetic blobs that resemble a 14-day-old human embryo for the first time, meaning they can study embryo development beyond a particularly tricky period of pregnancy.

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...