Researchers have discovered that unusual swirling "slicks" that occasionally appear on the Baltic Sea are actually made from floating tree pollen.
After a mild concussion, parts of the brain can become "hyperconnected," and this may contribute to patients' long-lasting symptoms.
The shark Apristurus ovicorrugatus was identified as a new species over a decade after the first mystery egg cases were found in a Western Australian museum collection.
Apple TV+ takes us to the largest creatures on Earth with a new epic nature docuseries narrated by Marvel star Tom Hiddleston.