Amy Schellenbaum
More from Amy Schellenbaum
![Strong woman lifting weights and a barbell at the gym](https://www.popsci.com/wp-content/uploads/2019/01/15/4XUL5764GG5HF6MN4C335UU6AI.jpg?w=600)
Fitness & Exercise
A complete guide to vegan muscle building A complete guide to vegan muscle building
February 8, 2021
![Astronauts having fun](https://www.popsci.com/wp-content/uploads/2020/07/16/VPLTJ4V6YBEMFD4VLOEHOZRMC4.jpg?w=688)
International Space Station
For astronauts in space, play is a way to stay safe For astronauts in space, play is a way to stay safe
July 18, 2020
![don't flush these things down your toilet](https://www.popsci.com/wp-content/uploads/2019/01/20/KAIR3LMYGK3SPPH3AQXXVNOZAA.jpg?w=548)
Climate Change
14 things you should never flush down the toilet 14 things you should never flush down the toilet
January 21, 2019
![We’re really bad at making babies](https://www.popsci.com/wp-content/uploads/2019/03/18/L6CJ2TCBPO37MEM7NLAST2ESVQ.jpg?w=1000)
![What happened to PopSci.com?](https://www.popsci.com/wp-content/uploads/2019/03/18/SM7UXVE6UYUSLVRV7SQ4T3HENU.png?w=764)
![A quick note about our newsletter](https://www.popsci.com/wp-content/uploads/2019/03/18/HRAWWH6N6SOVEDIC4XHB7AYVW4.jpg?w=600)
![How does Los Angeles get its water?](https://www.popsci.com/wp-content/uploads/2019/03/18/MW6RKFEJ4NRY6QWDCCSOJVKR5M.jpg?w=813)
![14 gifts you can put in your mouth](https://www.popsci.com/wp-content/uploads/2019/03/18/C32ZH7VW3Z5RRQF6FSCPO7Y5MU.jpeg?w=663)