Article Archive

Article archive

The power of metagenomic approaches

Today's powerful sequencing machines can rapidly read the genomes of entire communities of microbes, but the challenge is to extract meaningful information from the jumbled reams of data.

Gene abnormalities in bipolar disorder

The largest genetic analysis of its kind to date for bipolar disorder has implicated machinery involved in the balance of sodium and calcium in brain cells.

Hydrogels help bone cell growth

Hyaluronic hydrogels have proven to encourage the growth of preosteoblast cells, cells that aid the growth and development of bone.

Safer alternative to heparin

The main source of this heparin is the intestines of foreign livestock and the risk of contamination from such sources is high.

Plastic spin transistors

Physicists successfully controlled an electrical current using the spin within electrons - a step toward building an organic spin transistor.

Determining membrane protein structure

By various methods, a team has developed a unique means for probing protein chemistry and structure through the use of solid-state nuclear magnetic resonance spectroscopy.

Indian progress in AIDS vaccine

The results of the trial of an MVA-based AIDS vaccine candidate (TBC-M4), which was conducted in Chennai, indicated that the vaccine candidate had acceptable levels of safety and was well tolerated.

Potato may hold Alzheimer's key

A virus that commonly infects potatoes bears a striking resemblance to one of the key proteins implicated in Alzheimer's disease.

Tadalafil's other benefits explored

A recent study suggests that a daily dose of tadalafil, the erectile dysfunction drug, can help men suffering from benign prostatic hyperplasia.

Leaky gut may allow HIV into brain

Scientist have found evidence that penetration of the blood brain barrier by HIV may be aided by a component found in the cell walls of intestinal bacteria.

Plans change, memory follows

Researchers have learned that two different areas of the brain are responsible for the way human beings handle complex sets of "if-then" rules.

Fish cancer gene linked to pigment

A study shows that a melanoma gene can be conserved in swordtail fish because of its beneficial role in sexual selection.

Rethinking catalyst mechanisms

A recently published study challenges current ideas about how catalysts work, suggesting that in biological systems, multiple versions of a catalyst can make a given reaction occur.

Fatal form of malaria

Platelets play an important early role in promoting cerebral malaria, an often lethal complication that occurs mostly in children.

Tracking evolution

A recent study suggests that differences in ribosomal structure between the three main branches of that tree are "molecular fossils" of the early evolution of protein synthesis.

Speeding magnetic memories

Using ballistic switching, future non-volatile magnetic memories could operate as fast as the fastest non-volatile memories.

Overcoming multiple drug resistant diseases

Scientists have developed a method to get around one of the most common forms of resistance, thereby opening up diseases to medications were once effective.

Cocoa may improve brain flow

Cocoa flavanols, the unique compounds found naturally in cocoa, may increase blood flow to the brain, according to new research.

Chewing gum improves bowl recovery

Chewing gum is associated with enhanced recovery of intestinal function following surgery to remove all or part of the colon, according to an analysis of previously published studies.

Microbes convert hydrocarbons to natural gas

Researchers found that a process known as anaerobic hydrocarbon metabolism can be used to stimulate methane gas production from older, more mature oil reservoirs


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