In 2019 two American researchers reported discovering the fossil remains of a carnivorous mammal larger than a modern lion, and even larger than a prehistoric saber-toothed tiger. It lived 22 million years ago in what’s now Africa.
According to a study by scientists at McGill University, areas with more prey have more predators overall than areas with relatively sparse prey. However, an abundance of prey does not result in as many predators as might seem likely.
Scientists tested male field crickets in competitions where they paired males with similar body mass and size, but different head sizes. They found that males with larger heads won more fights than males with smaller heads.
The human brain contains about 86 billion nerve cells, or neurons. They signal to one another electrochemically to control our behavior.
Coffee has so much more caffeine than tea that the body can absorb a lot of it quickly. Tea, on the other hand, makes the body work hard to absorb its caffeine.
In 2019, researchers discovered a tiny spider in the Peruvian Amazon rain forest that has a behavior that’s surprisingly similar to the Marvel superhero Spiderman.
Crows are always on the lookout for others to rob, and they alter their tactics depending upon whether their victim is related or not.
Scientists have known for some time that octopuses make use of shells and other objects they find to hide from predators.
Technology puts humans outside the constraints nature imposes on other predators and makes us superpredators. Using weapons, humans kill nine times as many large carnivores as any other species.
The scariest thing about cobras is that some species don’t even have to bite you to injure you. They can spit poison a distance of three feet, and they always aim for the eyes.