444 results
444 results for: Dolphins
- Animals
These nesting penguins nod off over 10,000 times a day, for seconds at a time
Micronaps net chinstrap penguins over 11 hours of sleep a day, offering some rest while staying vigilant against predators and competitors.
- Paleontology
A colossal ancient whale could be the heaviest animal ever known
Perucetus colossus may have tipped the scales at up to 340 metric tons, but some scientists are skeptical it could have sustained that mass.
- Animals
‘Wonderful nets’ of blood vessels protect dolphin and whale brains during dives
Complex networks of blood vessels called retia mirabilia that are associated with cetaceans’ brains and spines have long been a mystery.
- Animals
These dolphins may turn to corals for skin care
For Indo-Pacific bottlenosed dolphins, rubbing against corals and sea sponges that contain antibacterial compounds could help keep skin healthy.
- Animals
Northern elephant seals sleep just two hours a day at sea
The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.
- Astronomy
Jupiter-sized planets are very rare around the least massive stars
A six-year search of 200 nearby low-mass red dwarf stars found no Jupiter-like planets, boosting the standard theory for how such planets form.
- Animals
Bowhead whales may have a cancer-defying superpower: DNA repair
Bowhead whale cells repair damaged DNA exceptionally well, an ability that could prevent cancer and help the marine mammals live for centuries
- Animals
Scientists thought snakes didn’t have clitorises. They were wrong
Snakes were long thought to be the only reptile group to lack clitorises. But new findings suggest the sex organs are present after all.
- Animals
Female dolphins have a clitoris much like humans’
The similarities suggest female dolphins experience sexual pleasure, which may explain why the species is so randy all the time.
- Neuroscience
Why traumatic brain injuries raise the risk of a second, worse hit
Recent hits to Miami Dolphins quarterback Tua Tagovailoa have reignited discussions of brain safety for professional football players. Brain experts weigh in.
- Animals
Fish can recognize themselves in photos, further evidence they may be self-aware
Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.
- Animals
What parrots can teach us about human intelligence
By studying the brains and behaviors of parrots, scientists hope to learn more about how humanlike intelligence evolves.
