Looming Tropical Disaster Needs Urgent Action, According To New Report
18:47 25-06-2008; source: www.sciencedaily.com
A major review shows that the world is losing the battle over tropical habitat loss with potentially disastrous implications for biodiversity and human well-being. Tropical forests support more than 60% of all known species. But up to 15 million hectares of tropical rainforest are being lost every year and species are being lost at a rate of up to 10,000 times higher than would happen randomly without humans present.
Breakthrough In Plant Medicine Production
18:47 25-06-2008; source: www.sciencedaily.com
Researchers have succeeded in further unraveling and manipulating the glycosylation of proteins in plants. The scientists expect that this knowledge will allow plants to be applied more often in the production of therapeutic proteins, an important type of medicine.
Salutary Pizza Spice: Oregano Helps Against Inflammations
18:47 25-06-2008; source: www.sciencedaily.com
Oregano doesn´t only give a pizza its typical taste. Researchers have discovered that this spice also contains a substance which, amongst other qualities, appears to help cure inflammations. The researchers administered its active ingredient -- known as beta-caryophyllin (E-BCP) - to mice with inflamed paws. In seven out of ten cases there was a subsequent improvement in the symptoms. E-BCP might possibly be of use against disorders such as osteoporosis and arteriosclerosis.
Migrating Songbirds Learn Survival Tips On The Fly
18:47 25-06-2008; source: www.sciencedaily.com
Migrating songbirds take their survival cues from local winged residents when flying through unfamiliar territory. Observing local birds' 'mob' behavior helps migrants avoid predators, according to biologists.
Bacteria In Extremely Hostile Environments: New Protein Discovered That Repairs DNA Under Extreme Conditions
18:47 25-06-2008; source: www.sciencedaily.com
Mild environmental conditions are a prerequisite for life. Strong acids or dissolved metallic salts in high concentrations are detrimental to both humans and to simpler life forms, such as bacteria. Such conditions destroy proteins, ensuring that all biological functions in the cells come to a standstill. So what do we find at the limits of hostile conditions where we still find life?
Air Monitoring Helps Anticipate Possible Ecosystem Changes
18:47 25-06-2008; source: www.sciencedaily.com
When rain settles the atmosphere and brings air pollutants to the ground, it can have a lasting effect on ecosystems, sometimes hundreds of miles away. All ecosystems receive some atmospheric inputs, such as nitrogen, phosphorus and sulfur. The plant and animal life dominant to that region thrives because it has adapted to a particular rate of those nutrients. When the nutrient load changes, it can change the competitive ability of a species and allow different ones to thrive where they once were not competitive. The effects extend from major animal life such as deer down to the smallest bacteria.
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