Life on Earth started almost immediately after it cooled, but it took 2bn years - half of Earth's history - before photosynthesis arrived. Shortly afterwards we got multicellular life. Energy from sunlight was the difficult bit.

The 50-Year Newspaper: "What would happen if, instead of us getting news updates multiple times a day, what if we only got news updates every 50 years? Things would look really different." npr.org/templates/transcript/t

A pentaquark is a particle made of 5 quarks. The has been investigating the most common arrangements of the quarks inside it. symmetrymagazine.org/article/l

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It's local election time in some parts of the UK. Find out who your local candidates are: whocanivotefor.co.uk/

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I'm sure you're all aware of William Shatner's singing career. If not, today's your lucky day youtu.be/ainyK6fXku0

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"Remember: If it's not ISO 8601, it's not a date, it's just hanging out"

Home made pizza. Secret ingredient: Lloyd Grossman Tomato and Basil sauce. Yeah, it's supposed to be for pasta, but it works really well as a tomato sauce here too.

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Sharks are older than trees. 🦈

The first plant species which can be considered a real tree is known as Archaeopteris, and it evolved about 350 million years ago.

The first sharks evolved 50 million years before that!

#NoFoolin

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Driverless vehicle news: Circle Line trains are fully automated between Hammersmith and Latimer Road. diamondgeezer.blogspot.com/201

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The #StopBrexit petition will now actually be discussed in parliament, recognising the huge number of signatures it has received.

Please sign the #RevokeArticle50Petition if you haven’t already done so, and you are a UK citizen who doesn’t want #Brexit to happen!

petition.parliament.uk/petitio

To watch the numbers without overloading the site, use livefrombrexit.com/petitions/2

Re-potted a blueberry plant, which is picky about needing acidic soil (ericaceous). Mixed elemental sulfur with some compost: bacteria slowly convert the sulfur into sulfuric acid, making it acidic. rhs.org.uk/advice/profile?PID=

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