I love this professor’s ‘do. I also remember walking the White Cliffs of Dover back in 1973 – so beautiful! There’s a lot to
Did you know that sodium is an alkali metal like lithium and potassium? Is it also “evil,” i.e., explosive, like potassium in water? Yes.
Time is a bit tight this week, so there will be guest videos from today through Thursday, and then a big post about firestorms
Potassium is a metal like lithium, but no one builds batteries out of it because it’s evil: Well, the human body is mostly water
What does your smartphone have in common with cooking utensils, an electric garage door, fireworks, Sherlock Holmes, and splitting the atom? The element lithium.
The forest that grows along city streets and in parks needs conservation and provides jobs, too. Trees bring many benefits to a city, including shade,