Archive: 2012

-- Are you the oldest sibling? Take note – there may be a reason why your mother prefers your younger siblings to you... at least in one sense. Chances are, your mother’s later pregnancies were easier than her first one. This is supported by new research…

Presented by Vini Mani, Ekaterina (Kat) Pak, and Dima Ter-Ovanesyan In 2011, the FDA approved 35 new drugs–one of the highest approval volumes in the past decade. Drug development is a long and costly undertaking that involves integrated efforts…

Presented by Marc Presler, Peter Wang, and Elizabeth Brown Few biological concepts are as perennially captivating and contentious as the theory of evolution. Rather than reciting another litany of evidence in support of the idea, this seminar hopes to…

-- Most of us have probably received vaccines and antibiotics at some point in our lives, and while they may have seemed to work like magic at the time, medical professionals’ precise understanding of the drugs’ mechanisms of action enables their use as…

-- Of the trillions of cells that compose our body, from neurons that relay signals throughout the brain to immune cells that help defend our bodies from constant external assault, almost every one contains the same 3 billion DNA base pairs that make up…

Presented by Alexis Harrison, Emily Kay, and Emily Jacobs-Palmer The subject of promiscuity is rampant in the news. It appears in a social context – an affair can take down the campaign of a presidential candidate – and in a scientific one, as when…

Presented by Jacob Sargent, Ben Morris, and Thomas Graham DNA serves as the blueprint for all living organisms on earth, but unlike most blueprints, DNA is constantly being damaged and repaired. Factors such as UV light from the sun and chemicals in…

-- A 2011 study in the United States reported that 49% of pregnancies were unintended in 2006 []. Across the globe, this type of trend has contributed directly to maternal mortality, as well as the ethical, social, and financial costs associated with…

-- Try the training regimen of an Olympic athlete for a few days and two things will likely happen: you will be physically unable to complete the tasks and it will hurt, a lot. That’s because, as you overexert your muscles, they will tell your brain that…

-- Few things are universal throughout our culture, but a fascination with dinosaurs comes close. Whether it comes from a childhood visit to a natural history museum or that first appearance of Brachiosaurus towering overhead in Spielberg’s 1993 film,…