Uncategorized
-
19053
As mavericks often are, Egon Brunswik was ahead of his time. It is becoming increasingly apparent that our cognitive abilities are the result of the gradual evolution of neurochemical brain processes that record the often-ambiguous sensory cues we perceive from our external physical and social environment, as well as internal cues from memory, habitual patterns, […]
-
A Maverick Reclaimed
A small band of researchers wants to resuscitate the ideas of Egon Brunswik, a brilliant but tragic psychologist who died almost 50 years ago.
-
Channel Surfing
The newly revealed three-dimensional structures of proteins called ion channels reveal the secrets of their crucial function.
-
From the March 5, 1932, issue
WEIRD LEATHER COSTUMES PROTECT ELECTRIC WORKERS Dressed in the clothes of imagined creatures from a distant planet, these power plant operators open and close the switches of transmission lines that bring power for electric lamp and industrial motor. The costume, a new invention of safety engineers, is designed to protect the wearer from flashes of […]
- Math
Pi Day Festivities
Pi Day celebrations take place, appropriately enough, on March 14 at 1:59 p.m. For a glimpse of activities highlighting the enduring fascination of the digits of pi (the ratio of a circle’s circumference to its diameter), take a look at the Exploratorium’s Web pages devoted to pi, then try the links to other weird and […]
- Math
Scrabble’s Random Letters
In the popular SCRABBLE Brand Crossword Game, players create words from letters selected at random from a stockpile of 100 tiles. The tiles are laid down on a board 15 squares high by 15 squares wide to form an interlocking, crossword arrangement. Each letter of the alphabet has a particular value and the number of […]
- Math
Scrabble’s Random Letters
In the popular SCRABBLE Brand Crossword Game, players create words from letters selected at random from a stockpile of 100 tiles. The tiles are laid down on a board 15 squares high by 15 squares wide to form an interlocking, crossword arrangement. Each letter of the alphabet has a particular value and the number of […]
- Paleontology
Duck-faced croc had a gap-toothed grin
Paleontologists have unearthed fossils of a tiny crocodile that boasted a smile like no other: The animal had no teeth across the entire front of its mouth.
- Earth
Avalanche!
Laboratory studies of how snow crystals change shape under fluctuating environmental conditions and computer analyses that match the patterns of past avalanches with detailed meteorological data are helping scientists uncover the secrets of avalanches.
-
18995
In this article, Bruce Tremper states how predictable avalanches are (more so than a stock market crash), yet the whole last page describes the opposite. Am I missing something? Jeff CottonLake City, Calif. Tremper didn’t quite say that avalanches are predictable. He said they don’t occur without warning signs. –S. Perkins
- Health & Medicine
Protein Repair: New compounds may help cells fight off cancer
Researchers have identified a compound that enables even defective p53 proteins to initiate anticancer chain reactions.
-
Copy Crab: DNA confirms that crab forms have several origins
New genetic evidence suggests that crabs aren't all close relatives and their characteristic shape evolved independently on numerous occasions.
