Latest Colleen Hansel Stories
We know oxidants, produced with the aid of sunlight, are harmful to human health. But there are other oxidants that exist in much darker regions, produced by bacteria that can be just as dangerous to life in other areas.
New biogeochemical understanding of manganese oxidation lends insight to environmental remediation
- The horn of a unicorn considered as a medical or pharmacological ingredient.
- A winged horse with a single horn on its head; a winged unicorn.