Convert old cordless tools to Lithium power https://t.co/s5lS8Mzj5h

— Root Simple (@rootsimple) August 13, 2016

Love the Fig https://t.co/sFTxWLgAoS via @newyorker

— Root Simple (@rootsimple) August 12, 2016

This app aims to gamify biology and let amateurs discover new species. https://t.co/KidGZ0NRIo #STEM pic.twitter.com/r8ezFYqMeD

— SRS @ UCSD (@SallyRideSci) August 13, 2016

Watch a sunflower dance in the sun: Now scientists know how it’s done https://t.co/ASIo1DIFiE via @BostonGlobe

— Root Simple (@rootsimple) August 7, 2016

Biking on the Burnside-Couch Couplet? Just follow the yellow brick road. #pdxbikes #PDXTraffic #wizardofoz pic.twitter.com/J17DprhV6F

— PDX Transportation (@PBOTinfo) August 12, 2016

Happy Saturday everyone, with this calendar page from the Dunois Hours (Paris, 15th century)https://t.co/T0EuTsH1La pic.twitter.com/wJhmzdL13K

— Medieval Manuscripts (@BLMedieval) August 13, 2016