Ever wonder what those small numbers on the bottom of your plastic bottles and takeout containers mean? They're called Resin Identification Codes. Follow BI Video: On Twitter More from Science ...
Plastics are trickier. A lot trickier. Start by looking closely at the number displayed on many plastic items inside the triangular chasing-arrows symbol. (That symbol, sans the number inside, has ...
Flip over any plastic container you find in the grocery store and chances are you’ll see the three chasing arrows — the universal recycling symbol. The confusing thing is that the arrows don ...