Science ❯ Chemistry

Elements

Rare Earth Elements Noble Gases Heavy Metals Carbon Hydrogen Metals Tungsten Lithium Metalloids Lead Iron Oxygen Actinium Super-heavy Elements Ruthenium Transition Metals Environmental Impact Plutonium Hydrogen and Oxygen Sulfur Periodic Table Star Composition Heavy Elements Magnesium Phosphate Titanium Odd-Z Elements Bromine Gallium Seaborgium Silicon Nickel Boron Toxicology Fireworks Chlorine Lanthanoids Nitrogen Phosphorus Hydrogen and Helium Radioactive Elements Actinides

China Halts Helium Exports, Raising Pressure on Global Chip Supply

China's export ban could tighten supplies of helium, thereby raising the risk of chip production slowdowns.

Canada Signs Deal to Back Teck’s Trail Smelter with Up to C$400 Million

Why Fireworks Show Color: The Metal Chemistry Behind July 4 Displays

JWST Finds Ultra-Faint Galaxy Showing Chemical Traces of the First Stars

Helium Crunch From Hormuz Standoff Threatens AI Chipmaking

Helium Squeeze Deepens After Iran’s Strikes on Qatar Hit Global Supply

Study Ties Planetary Habitability to a Narrow Oxygen Window in Core Formation

New Experiments Suggest Earth’s Core Holds Nine to 45 Oceans’ Worth of Hydrogen

Study Finds Planetary Oxygen at Birth Controls Life-Critical Phosphorus and Nitrogen

FDA Announces Recall of Lucky Foods Cinnamon Over Elevated Lead Risk

XRISM Pinpoints Chlorine and Potassium Surplus in Cassiopeia A, Challenging Supernova Models

Astronomers Identify Ultra-Stripped Supernova, Propose New ‘Type Ien’