Scientists Seek Test To Detect Gene Doping In Athletes

Seeded on Wed Aug 8, 2007 1:37 PM EDT (CloningResources.com)

Gene doping has the potential to spawn athletes capable of out-running, out-jumping and out-cycling the strongest of champions.

sports, athletes, steroids, gene-doping, gene-therapy

Benchmark Survey Shows that Giant Outer Extrasolar Planets Are Rare

Seeded on Mon Jul 16, 2007 12:55 PM EDT (astronomyreport.com)

Astronomers who used powerful telescopes in Arizona and Chile in a survey for planets around nearby stars have discovered that extrasolar planets more massive than Jupiter are extremely rare in other outer solar systems.

space, science, astronomy, telescopes, gas-giants

Study Provides New Data About The Laws Governing Embryo Development In Organisms

Seeded on Mon Jul 16, 2007 9:51 AM EDT (CloningResources.com)

Research aimed at understanding the mechanisms underlying embryo development has taken a step forward thanks to collaborative work between biologists specialized in the study of the fruit fly (Drosophila melanogaster) and scientists specialized in the design of mathematical model …

science, biology, mathmatics, embryos, fruit-flies

One Man's Junk May be a Genomic Treasure

Seeded on Mon Jul 16, 2007 9:49 AM EDT (CloningResources.com)

Scientists have only recently begun to speculate that what's referred to as "junk" DNA – the 96 percent of the human genome that doesn't encode for proteins and previously seemed to have no useful purpose – is present in the genome for an important reason.

science, medicine, genomics, junk-dna

Major Breakthrough In Understanding How Hiv Interferes With Infected Cell Division

Seeded on Mon Jul 16, 2007 9:46 AM EDT (CuringDeath.com)

Dr. Éric A. Cohen and his team will publish on Friday, July 13, in PLoS Pathogens a discovery that could lead to the development of a new class of drugs to combat HIV.

science, infection, hiv, viruses, pathogens

Selenium Supplements May Increase the Risk of Type 2 Diabetes

Seeded on Mon Jul 16, 2007 9:45 AM EDT (CuringDeath.com)

Selenium, an antioxidant included in multivitamin tablets thought to have a possible protective effect against the development of type 2 diabetes, may actually increase the risk of developing the disease, an analysis by researchers at the University at Buffalo has shown.

health, supplements, diabetes, selenium

Emotional Memories Can Be Suppressed With Practice

Seeded on Mon Jul 16, 2007 9:42 AM EDT (brainmysteries.com)

A new University of Colorado at Boulder study shows people have the ability to suppress emotional memories with practice, which has implications for those suffering from conditions ranging from post-traumatic stress disorder to depression.

science, memories, depression, psychology, emotion, ptsd

Evidence Of Very Recent Human Adaptation: Up To 10 Percent Of Human Genome May Have Changed

Seeded on Mon Jul 16, 2007 9:40 AM EDT (Genetic Archaeology)

A Cornell study of genome sequences in African-Americans, European-Americans and Chinese suggests that natural selection has caused as much as 10 percent of the human genome to change in some populations in the last 15,000 to 100,000 years, when people began migrating from Africa …

science, humans, genomics, natural-selection, ancient-history

Carbon Nanotubes Endure Heavy Wear and Tear Like Soft Tissue

Seeded on Mon Jul 16, 2007 9:37 AM EDT (CNET News.com)

The ability of carbon nanotubes to withstand repeated stress yet retain their structural and mechanical integrity is similar to the behavior of soft tissue, according to a new study from Rensselaer Polytechnic Institute.

science, engineering, nanotech, muscles

Researchers Witness Natural Selection At Work In Dramatic Comeback Of Male Butterflies

Seeded on Mon Jul 16, 2007 9:33 AM EDT (Genetic Archaeology)

An international team of researchers has documented a remarkable example of natural selection in a tropical butterfly species that fought back - genetically speaking - against a highly invasive, male-killing bacteria.

evolution, science, bacteria, natural-selection, butterflies

New Study Sheds Light on How We Would Have Done Things Differently

Seeded on Sun Jul 15, 2007 1:26 PM EDT (brainmysteries.com)

If you're like most people, you've probably experienced a shoulda-woulda-coulda moment; a time when we lament our missteps, saying that we should have invested in a certain stock, should have become a doctor instead of a lawyer and so on.

science, brain, memory, mind

How Plants Learned To Respond To Changing Environments

Seeded on Sun Jul 15, 2007 1:20 PM EDT (Genetic Archaeology)

A scientists have discovered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their growth, including key steps in their life cycle such as germination and flowering, to take advantage of environmental conditions .

evolution, environment, science, plants, climate

Team Finds New Mechanism Of Gene Control

Seeded on Sun Jul 15, 2007 1:16 PM EDT (CloningResources.com)

Biologists have long thought that a simple on/off switch controls most genes in human cells. Flip the switch and a cell starts or stops producing a particular protein.

science, genetics, gene-therapy, tissue-engineering, regenerative-medicine

Breakthrough Leads To Better Understanding Of Human Stem Cell Growth

Seeded on Sat Jul 14, 2007 9:16 AM EDT (CloningResources.com)

A startling discovery on the development of human embryonic stem cells by scientists at McMaster University will change how future research in the area is done.

stem-cells, science, medicine, microbiology

International Team Studying Remarkably Well-Preserved Baby Siberian Mammoth

Seeded on Sat Jul 14, 2007 9:10 AM EDT (Genetic Archaeology)

The baby mammoth was discovered by a reindeer herder, Yuri Khudy, in mid-May in western Siberia, after it eroded out of a riverbank.

science, mammoth, paleontology, siberia

Tiny Tweezers And Yeast Help Show How Cancer Drug Works

Seeded on Fri Jul 13, 2007 11:47 AM EDT (CuringDeath.com)

The annoying bulges of an over-wound telephone cord that shorten its reach and limit a caller's motion help to explain why drugs called camptothecins are so effective in killing cancer cells, according to investigators at St.

cancer, science, biotech

Area of Brain That Suppresses Unconscious Actions May Also Reveal How Habits Are Broken

Seeded on Fri Jul 13, 2007 11:34 AM EDT (brainmysteries.com)

How do we actively decide what to do and avoid simply being governed by habits triggered by familiar things or people around us? Researchers found that the brain's 'supplementary motor regions' play a key role in suppressing unconsciously-triggered actions which occur when we en …

science, brain, psychology, neurology, consciousness

New Way To Target And Kill Antibiotic-Resistant Bacteria Found

Seeded on Fri Jul 13, 2007 11:23 AM EDT (CuringDeath.com)

Putting bacteria on birth control could stop the spread of drug-resistant microbes, and researchers at the University of North Carolina at Chapel Hill have found a way to do just that.

science, bacteria, biotech, super-bugs, microbes

Rapid Evolution Of Defense Genes In Plants May Produce Hybrid Incompatibility

Seeded on Fri Jul 13, 2007 11:21 AM EDT (Genetic Archaeology)

Species are kept separate in plants and animals through barriers to gene flow. However, the exact mechanisms of speciation have only been explained within the last 20 years. Scientists found that one mechanism, hybrid necrosis, is associated with a plant defense gene.

animals, science, plants, genetics, biology, speciation

Progenitor Cell Acts Like Changeling to Become Whatever Cell Is Needed

Seeded on Fri Jul 13, 2007 11:18 AM EDT (CloningResources.com)

Human development has long been seen as a one-way street. During gestation, stem cells were thought to develop into a succession of ever more specialized cells. As Dr. R. Ariel Gomez has discovered, the final identity of these cells is not as definite as once thought.

stem-cells, science, biotech, microbiology, progenitor-cells

Researchers Find That Fewer Choices May Lead To Better Recognition

Seeded on Thu Jul 12, 2007 8:17 AM EDT (brainmysteries.com)

Researchers at the University of Missouri-Columbia have found that less is more when it comes to online content.

learning, intelligence, science, marketing, attention, recognition

Using Individual Atoms to Create Molecular Circuits

Seeded on Thu Jul 12, 2007 8:13 AM EDT (CNET News.com)

The electronics industry believes that when it comes to circuits, smaller is better -- and many foresee a future where electrical switches and circuits will be as tiny as single molecules.

science, electronics, nanotech

Gene Therapy Eradicates Pancreatic Cancer in Preclinical Trial

Seeded on Thu Jul 12, 2007 8:10 AM EDT (CuringDeath.com)

A molecularly engineered therapy selectively embeds a gene in pancreatic cancer that shrinks or eradicates tumors, inhibits metastasis, and prolongs survival with virtually no toxicity, researchers from The University of Texas M. D.

cancer, health, gene-therapy, tumors, pancreas

New Discoveries From Ethiopia Fill Major Gap In Fossil Record

Seeded on Thu Jul 12, 2007 8:07 AM EDT (Genetic Archaeology)

Scientists working in the Woranso-Mille area of the Afar Region, Ethiopia, have recovered fossils that may prove to be a bridge to establishing a relationship between the earlier Australopithecus anamensis (4.2 - 3.9 million years) and the later Australopithecus afarensis (3 - 3. …

science, humans, fossils, archaeology, anthropology, australopithecus

Activated Immune System Attacks Brain After Stroke

Seeded on Wed Jul 11, 2007 11:00 AM EDT (CuringDeath.com)

Research showing that the body's own natural defences can actually worsen the brain damage caused by a stroke is due to be presented at a major biomedical conference today (Tuesday, July 10).

health, stroke, immune-system

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