An acetylcholine receptor (green) forms a gated ion channel in the plasma membrane. This receptor is a membrane protein with an aqueous pore, meaning it allows soluble materials to travel across the ...

Ever been up in the mountains, at the beach, or in a thunderstorm and suddenly felt a huge change in your mood? That’s not just a feeling of awe. It might be negative ions. Negative ions are molecules ...

Very unusual atomic states are being produced: Ions are created by removing not just one but 20 to 40 electrons from each atom. These 'highly charged ions' play an important role in current research.