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tag smart evolution

Behavior Brief
Jef Akst | Jan 4, 2012 | 5 min read
A roundup of recent discoveries in behavior research
Odd Man Out
Alla Katsnelson | Mar 1, 2010 | 10+ min read
Do fish have personalities?
Assays Galore
Lanette Fee | Sep 21, 2003 | 9 min read
Courtesy of BD Biosciences Pharmingen  COLOR CODING: Multiplexed bead-based assays, like BD Biosciences' Cytometric Bead Array (shown), test for multiple analytes in a single vial. The key is in the colors: one hue indicates the bead ID, and the intensity of the second, how much protein has been captured. In today's fast-paced research environment, technologies for speedy, cost-efficient analyses reign supreme. As part of this general trend, techniques for multiplexing, that is, simultan
David Botstein
The Scientist Staff | Jul 27, 2003 | 4 min read
First Person | David Botstein Courtesy of Frank Wojciechowski At the age of 60, David Botstein, microarray and genetics pioneer, is learning to play the cello. As a young man, Botstein seriously considered being a musician, but he knew the talent just wasn't there. "I did play the violin, badly," he admits. Yet his love of music is so ingrained--his brother, Leon, is music director for the American Symphony Orchestra--that even as an undergraduate at Harvard, he "ran with the musicians."
Senior Scientists Quit Europe
Silvia Sanides | Jun 1, 2003 | 7 min read
©Paul Barton, Corbis Rigid retirement policies are prompting scientists to flee Europe at the height of their professional lives to start second careers in the United States. Many of these researchers are still conducting experiments and are in no mood to slow down. But because nearly all European universities are government run, professors are left little choice when they reach mandatory retirement age, which in most countries is 65 years or even younger. Some scientists leaving for the
Ribozymes: Hearkening Back to an RNA World
Jeffrey Perkel | Sep 15, 2002 | 9 min read
Illustration: Ned Shaw LIKE MOLECULAR TOY-MAKERS, ribozyme researchers create tools with evolutionary, diagnostic, and therapeutic applications. Nearly 20 years ago, Tom Cech and Sidney Altman discovered that some naturally occurring RNAs could perform enzymatic reactions, earning these researchers the 1989 Nobel Prize in chemistry. Scientists have now identified several examples of RNA enzymes, or ribozymes. Most make or break the phosphodiester bonds in nucleic acid backbones, but some
The Array of Today
Jorge Cortese | Sep 3, 2000 | 10 min read
Human Arrays Human Arrays (continued) A 20th century scientist may have spent an entire career studying the function of a single protein, never imagining that one day it would be possible to study every human gene at once. This capability comes in the form of a microarray, a surface collection of immobilized genes that can be simultaneously examined with specialized equipment.1 Many current applications of arrays, also known as biochips, can be used in functional genomics as scientists seek ch

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