Jan. 28, 2025 — A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood.

Enzymes are molecular machines that carry out the chemical reactions that sustain all life, an ability that has captured the attention of scientists like me. Crocodiles, monkeys, tigers, zebras ...

Feb. 12, 2025 — Scientists have uncovered the equipment that enables bacteria to survive exposure to antibiotics: a shuttling mechanism that helps a complex of proteins pump out a wide spectrum ...