Getting Rid of Graffiti with a Two-Wavelength Laser A combination of ultraviolet and infrared radiation may be able to blast graffiti off of valued stone monuments, restoring them for future generations

Graffiti on the Berlin Wall may have become a symbol of freedom, but many heritage structures around the world are in grave danger of being scarred for eternity…

Washing Lettuce Might Not Remove All The Germs Human norovirus, sometimes called the "stomach bug," found a way to stay attached to fresh produce even when it’s washed.

One of the first steps of any recipe is to wash your produce. In today’s global food system, fruits and vegetables make a lot of stops before reaching…

Satellite Technology Can Help Keep an Eye on Global Fishing For the first time, researchers have mapped when and where the world’s commercial fisheries operate.

If you live in a developed country and eat seafood, there’s a very good chance that the fish on your plate was caught by a commercial fishing boat….

Does stopping and then re-starting HIV treatment harm the patient? HIV treatment interruption doesn’t lead to irreparable damage to immune cells and increases in HIV levels after treatment is started again

Caroline, our resident HIV expert, updates us on some new knowledge about what happens when HIV positive patients stop and restart their medications. Is this a dangerous thing? Find out here.

Food or Foul? Aquaculture Pests May Actually be a Valuable Resource. Small invertebrates that grow around fish farms may provide a sustainable and nutritious food source

Many marine organisms have a planktonic form. This means that they drift in the ocean for part of their life until they can find something suitable to attach…

Why Could Tyrannosaurus rex Bite So Hard? Modeling the bite force of T. rex helps to explain important dietary clues about the animal.

Be grateful you didn’t live at the same time as a T-rex, because it’s superior biting strength could really mess you up. Scientists at Oklahoma State and Florida State collaborate to understand why that is.

For a Cooler Climate, Just Add Ice Should scientists attempt to slow climate change by intentionally increasing the size of the Greenland Ice Sheet to reflect sunlight away from the planet?

Should we geoengineer larger ice caps to reflect radiation away from the Earth to cool the climate? Is this a good idea? This article briefly explores these questions, based on the work of Jacob Haqq-Misra of Blue Marble Space Institute of Science.

Using The Big Bang As A Ruler Cosmologists use baryon acoustic oscillations to map distances as the universe expands

Baryon acoustic oscillations, an artifact remaining from the Big Bang, can be used by scientists to measure cosmological distances regardless of how the distances are changing. Soon after…

Farmed Fish Need More Exercise to Out-Swim Wild Fish Proper breeding practices and adequate exercise can help farmed fish out-swim wild fish

Many people believe that farmed fish wouldn’t do very well in the wild, but do direct experiments comparing farm-raised to wild fish support this belief? In a collaborative study,…

Science Makes it Harder for Criminals to Cover Their Tracks Thermal images of a suspect’s shoes may be able to tell scientists if their alibi checks out

We’re all familiar with “heat signatures” and “infrared images” thanks to the numerous cop shows on television. You’d be surprised to know, though, that in the real (not…