Researcher Paul Zak thinks so, and he’s proving it by taking blood samples from all sorts of people, from a bride and groom on their wedding day to tribal warriors in Papua New Guinea as they prepare to perform traditional rituals. He’s looking for levels of oxytocin, known as the "love chemical."
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In the future, the wide variety of fish available in our grocery stores and fish markets may be only a memory. Commercial fishers are netting huge numbers of fish, while dams such as the Hoover, built along the Colorado River, have stopped freshwater from flowing into fish breeding grounds.
Salmon are not only losing their breeding grounds, copper particles in the ocean are affecting their sense of smell, leading to behavior changes such as not swimming upstream to spawn. These minute amounts of copper come from brake linings and mining operations that have been discarded in the ocean.
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It turns out that the human brain takes a series of snapshots, very quickly, that appears to us as continuous perception. This is the way a movie filmstrip works–the dark line between each frame tricks the eye and the brain to perceiving a series of still images as moving. Could this be why it is so difficult for us to see the visitors–that they can control how they synchronize with our perception?
Just as the body goes through a 24-hour sleep-wake cycle controlled by a circadian clock, brain function undergoes such cyclic activity–but at a much faster rate.
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"Camille" had no menstrual cycle for three months and had the symptoms of pregnancy. That same week, she had attacks of sleep paralysis while hearing a mechanical voice call her name. She woke up m to find a triangle on her leg and her dentist found an unknown object embedded in one of her teeth. She lived with her uncle at age 3. He worked on the Saturn 5 program and the tethered satellite experiment, and she sensed that his involvement in these programs had somehow attracted some very unusual attention to her and her family.