28,000-year-old cave lion cub found frozen in Siberia

Perfectly preserved; even its whiskers are intact

Originally Published: 05 AUG 21 10:55 ET Updated: 05 AUG 21 12:57 ET By Katie Hunt, CNN Editor's note: Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more.…