Enter cryopreservation. The process freezes biological materials by storing them in tanks of liquid nitrogen. At the zoo, the animal samples include sperm, embryos and, very rarely, eggs.

The tank was transporting liquid nitrogen, and firefighters determined that the tank was leaking. The truck belongs to Eastern Energy Services of Laurel. The driver sustained minor injuries and ...

These DNA samples are stored in a tank filled with liquid nitrogen and can be used to create a genetic profile of the animal.

The Hydrogen Electric Research Team at the Korea Electrotechnology Research Institute (KERI) has developed the world's first ...

Within the red rock at Serpentine Rapids, Perseverance found unusual patches of dark and drab green, which drew NASA's ...

Pain starts with stress, and stress shows up at a cellular level. When humans and other lifeforms get stressed out, the balance of oxygen in our cells gets disrupted. In response, the ...

So many people showed up at the first hearing it had to be canceled. Community activists say regulators ignored pleas to move ...