Timothy Gibson /newsroom/taxonomy/term/10032/all en Origins of photosynthesis in plants dated to 1.25 billion years ago /newsroom/channels/news/origins-photosynthesis-plants-dated-125-billion-years-ago-283492 <p>The world’s oldest algae fossils are a billion years old, according to a new analysis by earth scientists at 91ÉçÇø. Based on this finding, the researchers also estimate that the basis for photosynthesis in today’s plants was set in place 1.25 billion years ago.</p> Tue, 19 Dec 2017 20:00:28 +0000 priya.pajel@mail.mcgill.ca 32810 at /newsroom