This Week: What does This Week in Science think were the year's top science stories? This end-of-year episode counts down the Top 11 science news stories of 2021, and much more...

This Week: Krypton Origins, Probing The Sun, Defusing A Bomb, Dog-Fish-Worm Parasite, New Organs, 14 New Shrews!, COVID-19, 10,000 Monoliths, Pregnant In America, Neandertals Loved Fire, Plastic Brains, Life On Earth, And Much More...

This Week: Pollution & Sex, Just Good News, Salmon Taste Test, Primate Cavities, Unconfirmable Results, Daytime Eating Good, COVID Update, Light Flyers, Spider Boys, Bear Feet?, Prison Education, Klotho Strength, Brain Boost, And Much More...

This Week: Xenobot Reality Check, Spicy Breast Milk, Sperm Plastic, Solar Water, Flexible Biorepair Gel, COVID Update, Community Hippo Poop, Fishing Monkeys, Internet Of Brains, Brain PING, And Much More...

This Week: Talk About Space, Just Good News: Big Brother Edition, Face Touching, Storing Carbon, Baby jokes, Baby Smells, STEM Gender Bias, Worm Mind Reading, COVID Update, Meat Eating Bees, Ant Spit, Missing Link, Post Paris Picture, Mammoth Find, Seabirds Aren't Turkeys, The Albatross Difference, And Much More...