The need for transplant organs is immense and growing. Some scientists think animal organs might be a good way to increase ...

After years of trial and error, scientists have finally done something incredible: They have successfully grown human stem cells in a pig embryo. Why would anyone do this? Turns out, many ...

Researchers have previously created human-animal embryos, such as sheep and pig embryos with human cells, but those pregnancies were terminated after a few days or weeks. This experiment aims to ...

“We think that the developmental cues that exist in the pig will help to guide the human cells inside the porcine embryo. In the in vitro approach, there is a physical scaffold that exists, but the ...

Over half of our genomes consists of thousands of remnants of ancient viral DNA, known as transposable elements, which are widespread across the tree of life. Once dismissed as the 'dark side' of the ...

Old viral DNA, once thought to be gone forever, is reactivated in mammalian embryos, with each species showing unique ...

New Delhi, DNA from ancient viruses that form a part of the human genome may be contributing in the early development of an embryo in the womb, according to a study. Ancient viral DNA, also called ...

Researchers at Helmholtz Munich and LMU reveal how transposable elements – ancient viral DNA remnants – reactivate during ...