What happens when plastic bottles are used as time capsules? University officials will find out in about 40 years — when the new planters now on the IS rooftop will likely need to be reconstructed. The bottles, some with personal messages in them, were placed as filler in two large planters this week, covered with dirt and await spring planting. They provided volume and fill in the planters and make a statement — recycle! Those that end up in land fills won’t decay for a staggering 450 years! Read more here.