Engineering

by Michael R. Gerhardt Our climate is rapidly changing, and many countries are beginning to take action. In the United States, President Barack Obama has announced the Clean Power Plan to reduce greenhouse gas emissions from electric power generation,…

By Andrew Wong, a second year graduate student in the Applied Physics program at Harvard University.       The increase in global energy demand and subsequent carbon dioxide emissions has driven advancements in renewable energy generation technologies…

by Greg Silverberg figures by Kaitlyn Choi Cleantech is a troubled sector Scientists know from geological data that carbon dioxide concentrations in the atmosphere have been below 300 parts per million for nearly 1 million years.  However, for about a…

What do you think of when you hear the phrase ‘green technology’? Do solar panels, wind turbines, and electric cars come to mind? What about light-emitting diodes (LEDs)? Unlike many costly green technologies, LEDs are accessible to the majority of…

Cane Toad on Grass. Image from SamFraser-Smith, National Wildlife Federation, www.nwf.orgA recent publication from Harvard scientists outlines the potential of a cutting-edge technology, CRISPR, to improve on an old technology called Gene Drives in order…

How can we create a fully synthetic organism? One promising way to begin would be to take an existing organism and engineer a new set of chromosomes from that organism’s genome. Scientists at NYU have created a fully synthetic chromosome for…

Presented by Elizabeth Petrik, Ryan Kuzmickas, and Kevin Ma Honeybees are creating a buzz in the media lately, particularly due to the large numbers of mysterious bee deaths attributed to Colony Collapse Disorder. This lecture will explore how these…

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…

Presented by Kevin Bonham Single-celled microorganisms are everywhere, and are intimately linked to many aspects of our life. Some can cause disease, others decompose our waste, and many even help us digest our food – there are 10 times more bacteria…

-- Of the five senses, sight and hearing are often felt to be the most important. They allow us to interact with each other and our environment, and the loss of either sense can be devastating. Worldwide, an estimated 39 million people have severe…