Your Brain on tACS: Electrical Stimulation Can Alleviate Chronic Back Pain

An investigation of individuals with chronic low back pain revealed that a disruption of normal brain activity patterns is related to worse perceived pain. Use of targeted electrical stimulation showed an increase in normal brain activity and reduced pain severity. While these results are only preliminary, they show promise for use of a noninvasive therapy for chronic pain that can be tailored to an individual’s specific brain activity. Continue reading Your Brain on tACS: Electrical Stimulation Can Alleviate Chronic Back Pain

HIV-Infected T Cell

PrEP: Preventing HIV Infection Before It Starts

We have come a long way in treating HIV over the past two decades. By following a strict drug regimen, an HIV positive patient can stave off the onset of AIDS for many years. These drugs are expensive, however, and they come with side-effects. Furthermore, noncompliance with the drug regimen can have serious and long-lasting impacts on the patient’s health. Preventing HIV infection is both … Continue reading PrEP: Preventing HIV Infection Before It Starts

Refugees’ Gut Bacteria Become Westernized After Moving to the US

In each human gut, a community of trillions of bacteria help digest food and make certain nutrients. Some of these bacteria are associated with disease such as diabetes and Crohn’s, while some prevent disease. The composition of bacteria varies from one person to another, with diet and geographical location contributing to the diversity. In modern times, where millions of people migrate around the globe, their … Continue reading Refugees’ Gut Bacteria Become Westernized After Moving to the US

Next Generation Forensics: Changing the role DNA plays in the justice system

by Mary May figures by Rebecca Clements As anyone who has watched an episode of CSI can attest, catching a killer is only a DNA sample away. Due to advances in DNA testing technology and its omnipresence in forensics (as portrayed on TV and in pop culture), the public has come to expect and trust genetic testing as evidence in criminal trials. As these methods … Continue reading Next Generation Forensics: Changing the role DNA plays in the justice system

What Pelvis Shape Can Teach Us About Human Evolution

If you are looking for an interesting case study on human evolution, look no further than the female pelvis. The shape of the pelvis is thought to be a compromise between two opposing evolutionary pressures. On one hand, a narrow pelvis is ideal for walking on two feet, a trait that gives us a competitive edge over other species. On the other hand, a wide … Continue reading What Pelvis Shape Can Teach Us About Human Evolution

Probing Probiotics: the scientific process behind the hype

by Ilia Gelfat figures by Nicholas Lue Whether you are perusing the aisles of your local grocery store or scrolling through news articles, there’s a term that has been hard to miss in the past few years – probiotics. You might know it has something to do with bacteria helping digestion, but this broad view of the concept might leave you fuzzy on some of … Continue reading Probing Probiotics: the scientific process behind the hype

Probiotics prevents dangerous pathogen infection by making the bacteria ‘deaf’

If you’ve visited a supermarket recently, you might have noticed that yogurts and kombucha are taking up more shelf space. These products are two popular examples of probiotics: living bacteria touted to provide human health benefits. It’s not just a millennial fad – the probiotics market is projected to be over $60 billion by 2023. The accepted belief is that good bacteria drive out bad … Continue reading Probiotics prevents dangerous pathogen infection by making the bacteria ‘deaf’

Facing Facts: Why a transmissible facial cancer is decimating Tasmanian devil populations

by Garrett Dunlap figures by Aparna Nathan Perhaps no animal is better suited to its name than the Tasmanian devil. While it might look cute and cuddly, in reality this animal is quite the opposite. With the strongest bite of any mammal and an infamous blood-curdling scream, the Tasmanian devil is a fierce and formidable creature known to attack animals many times its size. But … Continue reading Facing Facts: Why a transmissible facial cancer is decimating Tasmanian devil populations

The Quest for Better Bandages Turns to Nanofibers

Our skin is a protective barrier to bacterial infection, but damage to the skin allows bacteria to enter. Normally, our immune system kills the bacteria and allows wounds to heal. However, certain diseases can overload the immune system and lead to heavy infection. Antibiotics are commonly used to treat heavy bacterial infection, but bacteria can develop drug resistance after too much exposure. A team at … Continue reading The Quest for Better Bandages Turns to Nanofibers