The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.

Marine mammals can hold their breath for extended periods underwater; the question is, how do they know when it's time to resurface?

Scientists at the University of St. Andrews found that seals can detect blood oxygen levels, allowing them to plan dives and ...

Dr Chris McKnight has been researching how seals can hold their breath as part of his work at the University of St Andrews.

On a recent trip to Tennessee, I lost count of how many people told me the same strange and unusual thing about Great Smoky Mountains National Park. If you stacked up all of the park’s salamanders ...

Mar. 3, 2025 — The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing by about 1.2% per year for the past three decades, a ...