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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…

As our closest astronomical neighbors, the planets have been subjects of keen observation by astronomers for over three millennia. The twin Voyager 1 and 2 spacecraft, built and launched in the 1970s, flew by Jupiter, Saturn, Uranus, and Neptune, and…

The Universe contains trillions of galaxies, and each galaxy is home to as many as a few hundred billion stars. To understand the Universe, it is necessary to study its building blocks, in the same way one studies atoms to understand the properties of a…

From the meteor that exploded over eastern Russia in February to the asteroid 1998 QE2 that squeaked by the Earth at the end of May 2013, meteoroids and other near-Earth objects (NEOs) have garnered increasing attention recently. NEOs, which include…

Although the heart is commonly thought of as something that causes us emotional joy and pain, while also providing us with the urge to make reckless decisions, we have to give it more credit. In actuality, this incredible organ will beat more than 2.5…

Two decades ago, on the recommendation of acclaimed astrophysicist Carl Sagan, NASA adopted a definition of life simply stating, “Life is a self-sustained chemical system capable of undergoing Darwinian evolution.” [1] While this definition is certainly…

Our brain contains billions of cells called neurons, each connected to one another in a complex network, permitting us to think, move, and assimilate information about our environment. While many cells in our body can talk to one another, neurons are…

Photosynthesis vs. Chemosynthesis All living things need an energy source to power the chemical reactions that sustain life. Without such an energy source there could be no life. Most organisms on this planet get their energy, directly or indirectly,…

In Disney’s Pixar acclaimed success Ratatouille, Chef Gusteau states: “Good food is like music you can taste, color you can smell, there is excellence all around you; You only need be aware to stop and savour it!” Chef Gusteau’s extended metaphor clearly…