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tag fire ants ecology immunology evolution cell molecular biology

The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
The Rainbow Connection
Kerry Grens | Oct 1, 2014 | 10+ min read
Color vision as we know it resulted from one fortuitous genetic event after another.
Illuminating Behaviors
Douglas Steinberg | Jun 1, 2003 | 6 min read
Courtesy of Genevieve Anderson If not for Nobel laureates Thomas Hunt Morgan, Eric R. Kandel, and Sydney Brenner, the notion of a general behavioral model might seem odd. Behaviors, after all, are determined by an animal's evolutionary history and ecological niche. They are often idiosyncratic, shared in detail only by closely related species. But, thanks to Morgan's research in the early 20th century, and Kandel's and Brenner's work over the past 35 years, the fly Drosophila melanogaster, t
Biochemical, Reagents Kits Offer Scientists Good Return On Investment
Holly Ahern | Jul 23, 1995 | 8 min read
Investment Author:Holly Ahern If you were to ask several life scientists to name a particular biochemical product that they simply could not do without, you'd probably get a myriad of answers that would mirror the research interests of the group you questioned. A molecular evolutionist trying to differentiate two closely related species of monkeys by restriction fragment-length polymorphism (RFLP) analysis might cite restriction enzymes, which can cut DNA into pieces of varying length. A cell b
Cutting the Wire
Jeffrey M. Perkel | Dec 1, 2014 | 8 min read
Optical techniques for monitoring action potentials
Computer Simulation In Science Teaching: Pros And Cons
Ricki Lewis | Nov 26, 1989 | 6 min read
Undergraduate science labs were once pretty predictable—pulleys and circuits, rocks and minerals, titrations and unknowns, bacterial brews and pickled piglets. But today’s science lab student, in one short session, can breed a litter of kittens, trace the trajectory of a fall on Venus, predict the timing and force of an earthquake or a volcano, “experience” a car crash or being born, or, in the rather unscientific prose of one catalog, “empathize with the hopeles
The Hidden Side of Sex
Patricia L.R. Brennan | Jul 1, 2014 | 10+ min read
Sexual selection doesn’t end when females choose a mate. Females and males of many animal species employ an array of tactics to stack the deck in their reproductive favor.
60 Members Elected to NAS
Barry Palevitz | Jun 25, 2000 | 6 min read
Editor's Note: On May 2, the National Academy of Sciences announced the election of 60 new members and 15 foreign associates from nine countries in recognition of their distinguished and continuing achievements in original research. Nearly half of the new members are life scientists. In this article, The Scientist presents photographs of some of the new members and comments from a few of them on their careers and on past and current research. A full directory of NAS members can be found online a
Articles Alert
Simon Silver | Jul 8, 1990 | 7 min read
The Scientist has asked a group of experts to comment periodically upon recent articles that they have found noteworthy. Their selections, presented herein every issue, are neither endorsements of content nor the result of systematic searching. Rather, the list represents personal choices of articles the columnists believe the scientific community as a whole may also find interesting. Reprints of any articles cited here may be ordered through The Genuine Article, 3501 Market St., Philadelphia,
What's Up, Postdoc? Little Pay, Little Freedom, High Demand
Ricki Lewis | Aug 19, 1990 | 10+ min read
Are they students? No, but they're not quite "real" scientists, either. They're sure in demand--just look at all the ads for them in the classifieds of scientific journals and trade publications. Yet the National Science Foundation and the National Institutes of Health don't really know how many of them there are. And many human resources pros don't even know who they are in their own companies. These mystery lab workers are postdoctoral research associates, or "postdocs," who cling to an ill-

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