Which solution helps cut flowers to stay fresh for a longer time?
A fun and interactive challenge to test your knowledge of chemistry and notable chemists.

Cut Flower Preservatives

Candle Flame
Do intact wax molecules come in contact with oxygen?

Filled Chocolate Products
Make a guess: Which chocolate filling is particularly vulnerable to insufficient cooling?

Guess the Chemist (48)
Can you guess the famous scientist from the description?

What Really Happened 2000 Days Ago
We are pleased to announce the answers to last week's quiz

What Happened 2000 Days Ago?
Guess what happened and have the chance to win a book

Guess the Chemist (47)
Can you guess the famous scientist from the description?

Guess the Chemist (46)
Can you guess the famous scientist from the description?

Who's Next? Nobel Prize in Chemistry 2015
Make your predictions for the 2015 Nobel Prize in Chemistry

What is a Dibaryon?
Any idea?