It can be forty feet long. It can have many mouths and just as many stomachs. It swims along in the darkness more than 1,500 feet beneath the sea, reaching out for food with its lethal tentacles. This is not a creature invented for a new horror film. It&#...
Continue ReadingThe monarch caterpillar feeds on milkweed. Milkweed manufactures a powerful toxin that can, in most cases, stop the heart of any creature who eats enough of it. However, the monarch caterpillar itself is unharmed by this poison. In fact, the caterpillar s...
Continue ReadingMany creatures have complex and beautiful mating rituals. However, few are more wondrous or dramatic than the firefleas’ ritual. The fireflea is a marine crustacean about the size of a sesame seed. They are found in the Caribbean. Firefleas, as the ...
Continue ReadingIf you are like most people, you may not care whether spiders feel pain. However, because of the way spiders are designed, their ability to feel pain has implications for many other creatures. Like crabs and lizards, spiders are able to drop a leg when at...
Continue ReadingAll of us are familiar with using bait to lure prey. Both live and artificial bait are used to catch fish. Stores lure shoppers with sale prices. The use of both bait and camouflage is an even more sophisticated activity. The duck hunter not only hides in...
Continue ReadingMany kinds of birds collect and store food for later use. However, scientists recently reported that the female red-cockaded woodpecker collects, stores and appropriately uses a dietary mineral supplement as well. As is true for most birds, the female red...
Continue ReadingMammoths and mastodons were distant relatives to the elephant. There is a great deal of debate over when they became extinct and why. Mammoths and mastodons are less mysterious to us than dinosaurs because we can study their preserved bodies. Several of t...
Continue ReadingThere is no room in the harsh realities of evolution for selflessness. For example, evolution says if I help you, I do so because I’m going to get something for myself. Likewise, what appears to be friendly behavior among animals is said to be only ...
Continue ReadingFireflies in southeast Asia regularly put on a show like that seldom seen from fireflies in the rest of the world. These fireflies have an ability found only among humans. As the evening darkness deepens along a riverbank, fireflies in the trees over the ...
Continue ReadingWe’ve all been taught that fish are cold-blooded. In many people’s thinking, perhaps the most cold-blooded of all is the shark. However, scientists have discovered that four types of sharks can raise their internal body temperatures. Why and h...
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- Reverse EngineeringThe human brain is like a network in which each brain cell is connected to thousands of other brain cells. Scientists have long suspected that this unique design helps give the human brain its intellectual power. However, the brain is so complex that our most sophisticated mathematics are insufficient to cope with it. As a […]
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