It was Carl Sagan’s birthday last week as well as a major election in the US that needs some perspective. And it is clear that science will need more advocacy and storytelling than ever on our pale blue dot, the only home we have ever known. Getting to Green Aroudn 3.7 billion (3,700,000,000) years ago, … More The Long Green View.
Being multi-cellular has advantages. Specialization of cells for different jobs is one advantage– akin to humans adopting agriculture, freeing up some of us to do other things. Multi-cellularity is also quite challenging as those cells have to communicate well together and there are more cells to feed/keep healthy. Different cells have to be able to … More Guardians of Gas Exchange.