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Hypotension

Bend to select a book from the lowest shelf, then rise quickly. Chances are, you'll feel a little lightheaded for a few seconds. The reason is a drop of blood pressure caused by the change in position. To maintain normal blood pressure levels, the heart and circulatory system must make frequent minor adjustments as we move, sit, stand, and lie ...

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Hypotension
Astronomy

What Is Polarimetry?

Polarimetry is the technique of measuring the 'polarization' of light. Most of the light we encounter every day is a chaotic mixture of light waves vibrating in all directions. Such a combination is ... Continue reading

WhatIsPolarimetry
Astronomy

Near-Earth Supernovas

Supernovas near Earth are rare today, but during the Pliocene era of Australopithecus supernovas happened more often. Their source was an interstellar cloud called 'Sco-Cen' that was slowly gliding by ... Continue reading

Supernovas
Medicine

Who was Typhoid Mary?

Mary Mallon lived in New York about 100 years ago, and worked as a cook. It seemed that every family she worked for suffered an outbreak of typhoid fever! The Dept. of Public Health found that she ... Continue reading

WhowasTyphoidMary
Biology

Sweet Dolphin Dreams

Imagine if your breathing wasn't an automatic response. That might work during the day. But what about when you went to sleep? You wouldn't get a good night's sleep if you had to wake up every few ... Continue reading

DolphinDreams

Are Bees Physicists?

BeesPhysicsFar-reaching research, and research that promises to join mathematics and biology, has been conducted by a mathematician at the University of Rochester, Barbara Shipman. She has described all the different forms of the honeybee dance using a single coherent mathematical or geometric structure (flag manifold). And interestingly, this structure is also the one that is used in the geometry of quarks, those tiny building blocks of protons and neutrons.

From this and technical evidence too complex to present for our purposes, Shipman speculates that the bees are sensitive to or interacting with quantum fields of quarks. Researchers have already established that bees are sensitive to the planet’s magnetic field, but they have always attributed it to the presence of a mineral in the bee’s abdomen. Shipman’s research indicates that the bees perceive these fields through some kind of quantum mechanical interaction between the quantum fields and the atoms in the membranes of certain cells.