#Linux turns 25: ‘Just a hobby, won’t be big’: on Aug 25, 1991, Linus Torvalds announced a new #OS ‘hobby’ project. https://t.co/kjT6r1Dj9R

#Linux turns 25: ‘Just a hobby, won’t be big’: on Aug 25, 1991, Linus Torvalds announced a new #OS ‘hobby’ project. https://t.co/kjT6r1Dj9R

Etymologies in numbers: how the #elements got their names https://t.co/1gG3B5ePeW // @compoundchem @DiscoverMag https://t.co/YsamCWJmAN

Etymologies in numbers: how the #elements got their names https://t.co/1gG3B5ePeW // @compoundchem @DiscoverMag https://t.co/YsamCWJmAN

Happy b-day, Margaret Hamilton! Computer #science pioneer whose code sent Apollo to the #moon, born Aug. 17, 1936. https://t.co/NcPtkhEiNB

Happy b-day, Margaret Hamilton! Computer #science pioneer whose code sent Apollo to the #moon, born Aug. 17, 1936. https://t.co/NcPtkhEiNB

“Sorry, I can’t keep the lecture hours… I can’t work in the morning.” Erwin #Schrödinger, night owl: https://t.co/iChSYHlaup

“Sorry, I can’t keep the lecture hours… I can’t work in the morning.” Erwin #Schrödinger, night owl: https://t.co/iChSYHlaup

Pretty as a planet: #NASA’s released 1,035 new images of Mars & we can’t stop looking! :) https://t.co/lZ2YwnXxHq https://t.co/UNuI8ILI2M

Pretty as a planet: #NASA‘s released 1,035 new images of Mars & we can’t stop looking! 🙂 https://t.co/lZ2YwnXxHq https://t.co/UNuI8ILI2M

‘Name the pictures & make the animal noises!’ Why we should read ‘booky’ #books to our kids: https://t.co/VILPgtmR9Z /@nytimes

‘Name the pictures & make the animal noises!’ Why we should read ‘booky’ #books to our kids: https://t.co/VILPgtmR9Z /@nytimes

This is so lovely: #sea shell patterns traced with a Micron pen [Barbara Moloney Callen] h/t @stevesilberman https://t.co/iWDs3mFmic

This is so lovely: #sea shell patterns traced with a Micron pen [Barbara Moloney Callen] h/t @stevesilberman https://t.co/iWDs3mFmic

Happy birthday, www! The first website in the world went online today 25 years ago: https://t.co/pksbQ0rXA3 @cern @Telegraph

Happy birthday, www! The first website in the world went online today 25 years ago: https://t.co/pksbQ0rXA3 @cern @Telegraph

That bird that just flew past? It may be snoozing! #Birds can sleep mid-air, study shows: https://t.co/1wZ7gDwK3E https://t.co/H5FNhQr3Sb

That bird that just flew past? It may be snoozing! #Birds can sleep mid-air, study shows: https://t.co/1wZ7gDwK3E https://t.co/H5FNhQr3Sb

Become a bookworm, live longer! :) ‘#Book readers live almost 2 years longer than those who do not read at all’: https://t.co/BBqrb5keUy

Become a bookworm, live longer! 🙂 ‘#Book readers live almost 2 years longer than those who do not read at all’: https://t.co/BBqrb5keUy