New TikTok video: There's a difference between - and -

From The Magic of Chemistry by Andrew Szydlo, how internal combustion engines work burning fuel [Full lecture: buff.ly/3BPT2G4]

Candles burns thanks to a combustion reaction that requires oxygen (O₂). When you pour a cup of CO2 over the candles, this displacesall the normally mixed air, along with all that O₂ the fire needs to burn [read more: buff.ly/3GLOBzC]

my daughter just informed me that every prime number greater than 6 is adjacent to a multiple of 6 🤯

Triangle angle sum: Another paper folding demo: youtube.com/shorts/cAU57Py… & digital version: geogebra.org/m/atx3asep GeoGebra #MTBoS #ITeachMath #geometry #geomchat #math #mathchat

One of my favorite mental math tricks: How to mentally square numbers ending in 5 and why this trick works visually

Times tables, drawn to scale. What do you notice about the "L-shapes"? mathsbot.com/activities/sca…

Important reminder! 🙌

A California biofuels project will test the industry’s green promises

The pathway blood takes through the heart...in a GIF! #scicomm #sciart #biology

The decimal representation for sevenths is pretty cool

Red Raiders, please vote yes on prop 5 this upcoming Nov 7th election. Prop 5 will fund research for TTU and 3 other TX universities. It requires no new taxes and will enable TX schools to compete with the top research institutions in the world. Early voting starts next week.

Prop 9 passing with 83% should tell you something Greg Abbott Texans care about their public school teachers!

The Conspiracy Theorists and the misinformation train is out in force today. People are claiming that CVS and other drug stores are pulling Mucinex, Sudafed, Dayquil, Theraflu and other medicines off the shelves because it's part of some conspiracy to harm Americans, or because

My eyes were drawn to "pull quote" "snitty" and "panic disorder" which all made their appearance my birth year and all seem relevant to my career. :)

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The long division algorithm CAN be understandable rather than just a procedure to memorize. Here's how we can think about it:

Consumers should not purchase half a dozen ground cinnamon products sold by retailers including Family Dollar and Dollar Tree because they contain elevated levels of lead, the U.S. Food and Drug Administration said Wednesday in a public health alert. cbsn.ws/3VpfkK7

When I taught science, I played this at the end of every class. Students loved it!