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Is there a 'Gay Gene?' More information, but much more to learn

From Largest study of gay brothers homes in on ‘gay genes’ Image from Wikimedia Commons, http://upload.wikimedia.org/wikipedia/commons/6/6d/Rainbow_flag_and_blue_skies.jpg One question that has significance for science and religion alike is…

Keeping the peace: Bacteria and immune responses in the human gut

The human gut is host to 100 trillion bacteria. To put this number into perspective, bacteria outnumber our cells by more than 10 to 1. These microbial tenants, however, are not just free loaders taking advantage of our generosity. In fact, the majority…

Why the blue LED should light up your life (and won a Nobel Prize)

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…

An Alternative to Antibiotics?

NOVAMOXIN antibiotic from Bmramon at en.wikipediaScientists offer an alternative method to fight bacteria in an effort to combat antibiotic resistance. They generated liposomes, or very small particles that look much like cell membranes. Because of this…

Cash Register Receipts and Clean Hands

Bisphenol A (BPA) is a chemical compound that has been used in the production of plastics, including cell phones, contact lenses, and food storage containers, for over 50 years. Scientists have recently shown that the BPA found on cash register receipts…

Can stem cells be engineered to battle brain cancer?

Gliobastoma (astrocytoma) WHO grade IV – MRI sagittal view, post contrast. By Christaras A via Creative Commons Treating glioblastoma multiforme (GBM) – the most common and aggressive form of brain cancer – is notoriously difficult. In…

Pigments: Patterning the Living World

The natural world displays an incredible amount of innate beauty, from snow-covered mountain peaks to exotic tropical reefs. For scientists and non-scientists alike, one of its most mesmerizing features is the pigmentation and coloration of living…

Fat vs. sugar: Who will break your heart?

Nutrition plays an important role in the prevention of chronic illnesses such as diabetes and heart disease. The Seven Countries Study, one of the earliest and most influential epidemiological studies, spanned the second half of the last century and…