Archive: 2013

Diabetes is a growing worldwide issue. In the United States alone, there are 25.8 million affected patients []. The annual cost of medical treatment (e.g. management and monitoring) and indirect expenses (such as disability and unemployment benefits) are…

Figure 1. Electron flow in Photosystem II. Plants take electrons from water to store energy from the sun. Whether it is the oxygen that we breathe or animals that we eat, our lives are made possible by photosynthesis.  Photosynthesis is the process that…

The basis for the origin of new species is thought to be well-known: new species emerge when two or more subpopulations of (what was formerly) the same species become sufficiently dissimilar in their genetic makeup that they can no longer breed with each…

In 1996, the British government announced that ten suspected cases of Creutzfeld-Jacob disease (CJD), a degenerative brain disorder, were caused by the consumption of beef products that harbor mad cow disease [1]. This news not only prompted the EU and…

Whether we realize it or not, humans, like all organisms, are genetically programmed to reproduce, but today we have many more reproductive choices than our ancestors. Birth control, for example, prevents procreation by those who might otherwise have…

Harvard University Professor Dr. Andrew Knoll speaks on the scientific intrigue of Mars, his involvement with the Mars Exploration Rover Opportunity, and the future of Mars investigation Mars. The Red Planet, the fourth from our sun. Named after the…

In 2018, NASA plans to launch the James Webb Space Telescope (JWST) [] to replace the Hubble Space Telescope, which has been in orbit since 1990 []. The Hubble has taken images of galaxies in all stages pay someone to write my paper of evolution, helped…

Image credit: NASA Manned missions to Mars have captured the public imagination since the first sci-fi novels in the late 1800s allowed people to imagine what it might be like to explore the Red planet. But it is only in the past few years that such an…

Since the first two-hour excursion into space by Yuri Gagarin in 1961, the lure of manned space travel has proved irresistible to scientists, entrepreneurs, and entertainers alike. Today, as technology becomes more capable of enabling manned travel to…

Revolving around the sun, in an orbit similar to our own, is NASA’s Kepler Spacecraft. Launched in 2009 and named after the Renaissance computer science homework help astronomer Johannes Kepler, Kepler’s mission, like that of many ground-based…