Hey Sara R(arsinoepi), thank you for following me

Hey Michelle Cavarretta(Michelle Cavarretta), thank you for following me

In Northern Hemisphere we're right in the middle of winter, but Earth is actually at its closest position to the Sun #Today at 16:17 UTC and we're 5 million km closer to the Sun now than we are in early July [read more: buff.ly/3qTubLl] #HappyPerihelion

Hey Sara R(arsinoepi), thank you for following me

Hey Kateřina Šmídová(Kateřina Šmídová), thank you for following me

Hey Math ANEX(Math ANEX), thank you for following me

Hey Ikky(@Venikky), thank you for following me

Hey Elise Davidson (x.com/VP_Davidson), thank you for following me.

Hey Mr. Joseph DeGennaro(Mr. Joseph DeGennaro), thank you for following me

Hey Mr. Joseph DeGennaro (x.com/YHSDeGennaro), thank you for following me.

Hey Jonathan Lind(@lindjonath), thank you for following me

Hey Jonathan Lind (x.com/lindjonath), thank you for following me.

The Andromeda galaxy is 6 times bigger in the sky than the full Moon: it's just too dim to see with the naked eye. This composite created by Tom Buckley-Houston shows what it would look like at night if it was just brighter [read more: ow.ly/EMek50A0CeU]

Hey Mervi Salo(Mervi Salo), thank you for following me

Hey Mervi Salo (x.com/mervisalo), thank you for following me.

Starting the day at #OAPT2023 Perimeter Institute with Katie Mack tellung us how it's all going to end. #ITeachPhysics #STEMeducation

Hey Wendy Noble(Wendy Noble), thank you for following me

Hey Wendy Noble (x.com/WendyDalgleis), thank you for following me.

Help, chemists: I've run across three separate websites that say that elements in the same period share physical properties such as malleability and conductivity. I can see this for the actinides and lanthanides, but ...?! Am I missing something?

Working on producing some "grab and go" guides for teachers on some common issues. Each one comes with tips and tactics that can work well. Done behaviour, questioning, retrieval practice and feedback. Any other suggestions for these guides?