When I was pregnant with my son, a friend invited me to a “pregnancy party” — you know, one of those meet-ups where women compare swollen ankles, sip sparkling water, and complain about their husbands ...
The Action Lab on MSN

Endless bouncing balls!

Ever wonder what extreme temperatures do to a hydrogel? We heat up the super-absorbent Orbeez to observe the polymer structure fail and release the water they hold. Prepare for a gooey surprise!