Physiology

Cape and Australian fur seals show dramatic increases in heart rate hours after returning to land, according to new research. The surges may help the animals recover from the physical stress of prolonged underwater foraging.

February 21, 2026 Ti AI ṣe iroyin

Researchers have identified why living at high altitudes reduces diabetes risk: red blood cells absorb excess glucose in low-oxygen conditions. This metabolic shift lowers blood sugar levels, as shown in mouse experiments. A new drug mimicking this effect reversed diabetes in mice, suggesting potential treatments.