Life & Chemistry

Life & Chemistry

Brown Algae Chemicals May Help Protect Against Skin Cancer

The animal study indicates that chemicals called brown algae polyphenols (BAPs), which are found in a type of brown marine seaweed, might protect against skin…

Life & Chemistry

Hybrid Speciation Discovered in Sierra Nevada Ecosystem

In a recently published article in the leading research journal Science, the discovery is one of the most convincing cases of this type of species formation…

Life & Chemistry

MCH Hormone’s Impact on Insulin Production Uncovered

A new Joslin Diabetes Center-led study has shown conclusively that a neuropeptide, melanin concentrating hormone (MCH), found in the brain and known for its…

Life & Chemistry

New EGFR Antibody Outperforms Cetuximab in Lung Cancer Model

Antibodies that selectively bind and destroy cancer cells represent some of the most promising cancer therapy approaches being developed today. Several of…

Life & Chemistry

Fruit flies and global warming — Some like it hot

Researchers working in Australia have discovered ways in which fruit flies might react to extreme fluctuations in temperature. Short-term exposure to high heat…

Life & Chemistry

Researchers Create New Method for Uncovering Natural Products from Mystery 'Orphan Genes'

Microorganisms have a proven track record for producing powerful molecules useful in antibiotics, as anticancer agents and in treating human diseases.At times,…

Life & Chemistry

DNA gets new twist: Carnegie Mellon scientists develop unique 'DNA nanotags'

Carnegie Mellon University scientists have married bright fluorescent dye molecules with DNA nanostructure templates to make nanosized fluorescent labels that…

Life & Chemistry

Human immune system has not adapted to changes in the environment

It seems that the current “allergy epidemic” is due not so much to an increase in allergenic risk factors as to the disappearance of factors protecting people…

Life & Chemistry

Scientists identify gene that may indicate predisposition to schizophrenia

Specifically, their findings identify the chitinase 3-like 1 gene as a potential schizophrenia-susceptibility gene and suggest that the genes involved in…

Life & Chemistry

Canadian researchers first to complete the human metabalome

The metabolome is the complete complement of all small molecule chemicals (metabolites) found in or produced by an organism. By analogy, if the genome…

Life & Chemistry

Turning a cellular sentinel into a cancer killer

Inactivation of p53 can set the stage for the development of different types of cancer. The researchers' findings show for the first time that inactivating the…

Life & Chemistry

Quitting Smoking May Be Harder If Mom Smoked During Pregnancy

Prenatal exposure to nicotine is known to alter areas of the brain critical to learning, memory and reward. Scientists at the Duke Center for Nicotine and…

Life & Chemistry

UCLA, Caltech chemists report important step toward building molecular computers

The 160-kilobit memory device uses interlocked molecules manufactured in the UCLA laboratory of J. Fraser Stoddart, director of the California NanoSystems…

Life & Chemistry

Chopping off protein puts immune cells into high gear

The complex task of launching a well-organized, effective immune system attack on specific targets is thrown into high gear when either of two specific enzymes…

Life & Chemistry

Coated nanoparticles solve sticky drug-delivery problem

The layers of mucus that protect sensitive tissue throughout the body have an undesirable side effect: they can also keep helpful medications away. To overcome…

Life & Chemistry

Drug strategy makes cancer genes get lost in translation

According to the researchers, such a therapy would essentially take advantage of a weakness of the disease: that the majority of growth- and…

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