The Wallace Line is called such because when Alfred Russel Wallace made his way to the East Indies to tackle the secrets of biology, he found there was a 'line' in the Malay Archipelago that divides Indonesia into two parts and west of it the species were Asian while to the east they were more Australian.

Since the distance is short in places, Bali and Lombok are only about 35 km apart, it was a prime example of species distinction and biogeography and he wrote on it in The Malay Archipelago.

The abrupt switch in the kinds of mammals found along the Malay Peninsula, from mainland species to island species, in the absence of any daunting geographical barrier has fascinated scientists since then.

Artemisinin is the most powerful anti-malaria drug in use today and it commonly obtained by extracting the drug from Artemsisia annua, the sweet wormwood tree.    

The Kepler spacecraft and its Delta II rocket have been cleared to launch into space at 10:49 p.m. EST Friday night.   Its mission;  watch a patch of space (see image below) for the next 3.5 years and look for signs of Earth-sized planets moving around stars similar to the sun. The area that Kepler will watch contains around 100,000 stars like the sun and Kepler will look for slight dimming in the stars as planets pass between the star and Kepler. Unlike observatories like Hubble, Kepler will be able to watch the same stars constantly throughout its mission.

Here are 5 quick facts, courtesy of JPL:

According to researchers at University of Florida Proton Therapy Institute, they have progressed the way that we can treat cancerous tumors using advanced proton therapy.

By developing a new way in which protons are delivered, physicians may be able to treat more deeply rooted tumors, larger tumors and tumors located close to vital internal organs. All of these placements have posed serious problems to tumor treatments in the past, as current treatments pose a significant risk to the surrounding body tissue as well as the intruding tumor.

Researchers have discovered that a long-defunct gene was resurrected during the course of human evolution. This is believed to be the first evidence of a doomed gene – infection-fighting human IRGM – making a comeback in the human/great ape lineage.

The truncated IRGM gene is one of only two genes of its type remaining in humans. The genes are Immune-Related GTPases, a kind of gene that helps mammals resist germs like tuberculosis and salmonella that try to invade cells. Unlike humans, most other mammals have several genes of this type. Mice, for example, have 21 Immune-Related GTPases. Medical interest in this gene ignited recently, when scientists associated specific IRGM mutations with the risk of Crohn's disease, an inflammatory digestive disorder.

Dual catalysts may be the key to efficiently turning carbon dioxide and water vapor into methane and other hydrocarbons using titania nanotubes and solar power, according to Penn State researchers.

Burning fossil fuels like oil, gas and coal release large amounts of carbon dioxide, a greenhouse gas, into the atmosphere. Rather than contribute to global climate change, producers could convert carbon dioxide to a wide variety of hydrocarbons, but this makes sense to do only when using solar energy.

Scientists identified seven new species of bamboo coral discovered in the deep waters of the Papahānaumokuākea Marine National Monument. Six of these species may represent entirely new genera, a remarkable feat given the broad classification a genus represents. A genus is a major category in the classification of organisms, ranking above a species and below a family. Scientists expect to identify more new species as analysis of samples continues.
   

Scientists at the Sol Goldman Pancreatic Cancer Research Center at the Johns Hopkins Kimmel Cancer Center have used "personalized genome" sequencing on an individual with a hereditary form of pancreatic cancer to locate a mutation in a gene called PALB2 that is responsible for initiating the disease. The discovery marks their first use of a genome scanning system to uncover suspect mutations in normal inherited genes.

The coding error in PALB2, which stands for "partner and co-localizer of BRCA2" causes a shortened version of the protein encoded by this gene, rendering it incapable of working with another cancer-related gene, BRCA2, to repair broken DNA. Mutations in BRCA2 are also known to cause hereditary forms of cancer.