The Discoveries: Great Breakthroughs in 20th Century Science includes the original scientific papers. This is a fantastic book! Alan Lightman paints the context for each discovery, before presenting the original paper.
This jewelry is based on molecular forms: DNA, Serotonin, and Dopamine
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Gift certificates are great! Especially as gifts for kids' teachers!
Science & Tech:
Edmund Scientifics Gift Certificates
For the kitchen:
Sur La Table Gift Certificates
The Perfect Gift - A CHEFS Catalog Gift Card
Family:
Leaps & Bounds Gift Certificates
I haven't tried this kit, but it looks pretty straightforward and easy to build...with styrofoam balls as phospate groups and sugars.
FloraCraft Fun Learning DNA Kit DNA model kit

In college, I lived in Albuquerque, New Mexico. While there, I learned to appreciate a fine hot sauce...and the difference between red and green chili. I also learned that I prefer flavor intensity over hotness. That's probably why this Build your own Hot Sauce kit caught my attention.
I't's more color theory than chemistry, but it's a great bath toy!
Hand Boilers are looped and twisted glass sculptures containing a colored liquid that will "boil" as heat is transferred from your bare hand. Very cool!

This design is based on our click-n-spell with the elements game. Chocolate is spelled out with symbols from the periodic table of elements.

Add a little culinary alchemy to your kitchen with this fun rack of spice-filled test tubes. Enter 171008 into the Dean & DeLuca site search to find the rack. The large rack, with 40 tubes is item number 171009.