-
Ask the expert
Lethal Fertilizer: Ammonium Nitrate
What is the material that seems to have caused the lethal explosion in Beirut's port?
-
Ask the expert
Warming up in front of the (polluting) fireplace
Despite the romantic imagery, warming the house with a wood or charcoal hearth is one of the most environmentally harmful methods of heating, and is also a health hazard
-
Ask the expert
Chlorophyll: The Molecule of Life
Thanks to chlorophyll, plants supply energy to all living things and provide us with oxygen. But there is still much left to discover about it.
-
Science news
Plastic and Greenhouse Gases
Discarded plastics don’t just pollute the environment directly – new research shows that they also contribute to global greenhouse gas emissions
-
Ask the expert
The Matter of Life
Is the composition of living things similar to that of their surroundings? And why aren’t we made mostly of metals?
-
Order Out of Chaos
The Periodic Table’s Precious Metals
Beyond gold: Some metals cost tens of thousands of dollars per kilogram, and radioactive elements fetch even more.
-
Science Archive
Reading the Periodic Table
Many people do not understand the importance of the periodic table of elements.
