Search Results for: demonstration
Demonstration
Demonstration 1. The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt;... Read More
How left-handed amino acids got ahead: a demonstration of the evolution of biological homochirality in the lab
A chemical reaction that demonstrates how key molecules in the biological world might have come to be predominately left or... Read More
With Daily Alcohol Use, Male Fruit Flies Court Other Males
A team of researchers at Penn Sate has used an animal model to reveal, for the first time, a physiological basis for the... Read More
Phytoremediation – A Green Solution to Pollution
Plants may be the raw material of the future for everything from fibers to fuels, but in the meantime they're busy mending... Read More
A tradeoff between immunocompetence and sexual ornamentation in domestic fowl
A tradeoff between immunocompetence and sexual ornamentation in domestic fowl S. Verhulst,*† S. J. Dieleman,‡ and H.... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More
Bumblebee See, Bumblebee Do
Just as travelers figure out which restaurant is good by the numbers of cars in the parking lot, bumblebees decide which... Read More
Big brains arose twice in higher primates
After taking a fresh look at an old fossil, John Flynn, Frick Curator of Paleontology at the American Museum of Natural... Read More
Hope for patients with COPD
For the first time, a drug therapy appears to reduce lung function loss in patients with moderate to severe chronic... Read More
New on-off “switch” triggers and reverses paralysis in animals with a beam of light
In an advance with overtones of Star Trek phasers and other sci-fi ray guns, scientists in Canada are reporting... Read More
Molecular Motor Works By Detecting Minute Changes In Force
Researchers at the University of Pennsylvania School of Medicine discovered that the activity of a specific family of... Read More
Urban Trees Enhance Water Infiltration
MADISON, WI, NOVEMBER 17, 2008– Global land use patterns and increasing pressures on water resources demand creative... Read More
Microscopic “hands” for building tomorrow’s machines
Engineers have developed tiny, robotic hands — also known as microgrippers (above) — that could be... Read More
Case biologists show that what a neuron can do is a function of mechanical context
The brain as command center for bodily movement was too simple an idea, thought the Russian physiologist Nicolas Bernstein... Read More
Successful initial safety tests for genetically-modified rice that fights allergy
In a first-of-its-kind advance toward the next generation of genetically modified foods — intended to improve... Read More
Technology Gives 3-D View Of Human Coronary Arteries
November 18, 2008 — For the first time researchers are getting a detailed look at the interior of human coronary... Read More
Chronic Pain Harms The Brain
Comparison of brains. These images show the brain from the left side, demonstrating striking differences... Read More
Beyond Biology: Simple System Yields Custom-designed Proteins
The diversity of nature may be enormous, but for Michael Hecht it is just a starting point. Hecht, a Princeton professor... Read More
Emergency Medicine: A Comprehensive Study Guide 6th Ed by J.E. Tintinalli et al.
Emergency Medicine: A Comprehensive Study Guide 6th edition ... Read More
What Really Prompts The Dog’s ‘Guilty Look’
June 14, 2009 — What dog owner has not come home to a broken vase or other valuable items and a guilty-looking... Read More
Conservation Of Freshwater Fish Biodiversity: A Challenge For The Countries Of The South
Scientists at the Institut de Recherche Pour le Développement (IRD) and colleagues* have made the first global-scale... Read More
Reproduction
Definition noun The production of offspring by organized bodies verb: reproduce To produce again; to... Read More
Acquisition
Acquisition in psychology, the empirical demonstration of an increase in the strength of the conditioned response in... Read More
Salutation
salutation The act of saluting, or paying respect or reverence, by the customary words or actions; the act of greeting, or... Read More
Speculative
speculative 1. Given to speculation; contemplative. The mind of man being by nature speculative. (hooker) 2. Involving, or... Read More
Passive agglutination
Definition noun An agglutination reaction of inert particles coated with soluble antigen through an antiserum specific for... Read More
Salutations
salutation The act of saluting, or paying respect or reverence, by the customary words or actions; the act of greeting, or... Read More
Chloroplast DNA
Definition noun plural: chloroplast DNAs DNA in the chloroplast that carries the code for proteins and RNAs essential to... Read More
Wild dolphins learn to “tail-walk” on the water, yet it’s just a fad
Dolphins performing acrobatic tricks have, time and again, fascinated and mesmerized people. As early as 1860s, capturers... Read More
SELFISH GENE – selfish to persist
What is a selfish gene? A selfish gene is not a gene that makes an individual selfish. In fact, it may even be involved in... Read More
Artificial sweeteners linked to weight gain
Cutting the connection between sweets and calories may confuse the body, making it harder to regulate intake WASHINGTON —... Read More
Electrostatics of nanosystems: Application to microtubules and the ribosome
Chemistry / Biophysics Electrostatics of nanosystems: Application to microtubules and the ribosome Nathan A. Baker*,,,... Read More
Shared Gene Switch For All Plants Found
A gene-switching mechanism dating back 400 million years to the very first plants that made it onto land has been found by... Read More
Modifications render carbon nanotubes nontoxic
Rice team mitigates toxicity of tiny cylinders with chemical changes HOUSTON, Oct. 26, 2005 -- In follow-on work to last... Read More
PaleoBase: Macrofossils, Part 3 (Single User)
PaleoBase: Macrofossils, Part 3 (Single User) ... Read More