Never had a garden? Or do you just have a fire escape? Or no outdoor space? It doesn’t matter. You can grow food practically anywhere, says educator and urban farmer Stephen Ritz.
They hibernate for centuries and then come back to life! They make their own antifreeze and their own sunscreen! You’ll never look at moss the same way again.
DNA barcoding is a very precise way of identifying plant species. DIY biotech evangelist Ellen Jorgensen takes us on a field trip to find and identify Alaskan plants.