Uncategorized
- Math
Drama in Numbers
Several mathematics-rich stage productions of the last few years have not only captivated mathematicians but also attracted diverse and enthusiastic audiences.
- Math
Drama in Numbers
Several mathematics-rich stage productions of the last few years have not only captivated mathematicians but also attracted diverse and enthusiastic audiences.
- Humans
From the December 17 & 24, 1932, issues
BEAUTY FROZEN IN GLASS SERVES CAUSE OF SCIENCE Gems as fantastically beautiful as any that have ever glittered in dreams of a frosty Christmas fairyland are being made in glass for the American Museum of Natural History by Herman Mueller, reputed to be the world’s most skillful glassblower. They are not mere conventional designs, however, […]
- Humans
From the December 17 & 24, 1932, issues
BEAUTY FROZEN IN GLASS SERVES CAUSE OF SCIENCE Gems as fantastically beautiful as any that have ever glittered in dreams of a frosty Christmas fairyland are being made in glass for the American Museum of Natural History by Herman Mueller, reputed to be the world’s most skillful glassblower. They are not mere conventional designs, however, […]
- Humans
Einstein’s Vision
Accompanying the Einstein exhibit at the American Museum of Natural History, this Web site offers a captivating portrait of the most famous scientist of the 20th century. Several online essays probe Albert Einstein’s theories, providing insights into light, time, energy, and gravity. Others explore aspects of his life and times. Go to: http://www.amnh.org/exhibitions/einstein/
- Humans
Einstein’s Vision
Accompanying the Einstein exhibit at the American Museum of Natural History, this Web site offers a captivating portrait of the most famous scientist of the 20th century. Several online essays probe Albert Einstein’s theories, providing insights into light, time, energy, and gravity. Others explore aspects of his life and times. Go to: http://www.amnh.org/exhibitions/einstein/
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19169
In this article you mention that Lyme disease is the most common “insect-borne” disease in the United States. Since Lyme disease is spread by ticks, and ticks have eight legs and are arachnids, Lyme disease is not insect-borne. Anne Van Aller Woodbine, Md.
- Math
Punctured Polyhedra
A tetrahedron. Examples of unacceptable faces. A portion of an infinite lattice of interpenetrating tetrahedra. A tetrahedron has four triangular faces, four vertices, and six edges. Consider what happens when a vertex of one tetrahedron pierces the face of a second tetrahedron to form a new, more complicated polyhedron. In the resulting geometric form, one […]
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Brain’s Moving Experience: Motion illusion yields a neural surprise
A brain-imaging study indicates that the primary motor cortex, the control center for issuing motor commands, also aids in the perception of the body's position and planning for upcoming movements.
- Health & Medicine
Male Pill on the Horizon: Drug disables mouse sperm but wears off quickly
A new oral drug created to ease a genetic disorder could have contraceptive benefits.
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19168
I found this article quite fascinating. In 1973, my colleagues and I showed that rats would respond with the future in mind. Specifically, rats will make a response that results in one immediate electric shock, as long as that punished response is instrumental in avoiding five identical shocks programmed to occur 10 seconds later. It […]
- Ecosystems
Trust That Bird? A bit of future-think lets jays cooperate
A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership.
