Scientists created a 6-legged mouse embryo, with an extra pair of hind legs instead of external genitalia.
Few people know that agricultural biotechnology has produced countless new products that can change our lives.
A group of scientists from Germany, Russia and Sweden has discovered areas of genes that control animal tamility.
A puppy has been born from frozen embryos, and scientists hope to use this technique to maintain the breed of wild animals close to the brink of extinction such as wolves and