Uploaded December 2021 | Updated September 2026, 2 weeks ago

---

Here's our favorite stories from the past year. 2021 started off with a butthole and, well, what more could you need.
Links to stories:
0:00 livescience.com/first-dinosaur-butthole-found.html
0:39 livescience.com/bee-creates-perfect-clone-army.html
1:26 livescience.com/simone-biles-what-are-twisties.html
2:07 livescience.com/man-can-control-pupil-dilation.html
2:47 livescience.com/butterflies-drink-their-babies.html
3:34 livescience.com/origin-of-landlocked-mangrove-forest-mexico
4:10 livescience.com/bones-ancient-beasts-california-fossil-forest.html

Science News • Videos • Explainers
SUBSCRIBE to the Live Science YouTube channel → youtube.com/channel/UCOTA1_oiKnz8po1Rm3nDJPg?sub_confirmation=1
Twitter→ twitter.com/LiveScience
Facebook→ facebook.com/livescience
Instagram→ instagram.com/live_science
Community Forums→ forums.livescience.com

For the science geek in everyone, LiveScience.com breaks down the stories behind the most interesting news and photos on the Internet, while also digging up fascinating discoveries that hit on a broad range of fields, from dinosaurs and archaeology to wacky physics and astronomy to health and human history. If you want to learn something interesting every day, #LiveScience is the place for you. #BestOf2021 #2021ScienceNews