Bisphenol A, widely known as BPA, has recently become a controversial science issue, along with climate change and every food, energy and medicine study. In the modern world, the only legitimate science is the science that agrees with well-funded activist organizations. BPA is a component of plastic bottles and canned food linings that have helped make the world's food supply safer but has recently come under attack because some studies have found it has the potential to mimic the sex hormone estrogen if blood and tissue levels are high enough.

An analysis of almost 150 BPA exposure studies shows that in the general population, people's exposure may be many times too low for BPA to effectively mimic estrogen in the human body. 

The world produces a lot of food, but it is not produced equally. Agriculturally rich areas like American and Europe can fret about whether natural or synthetic toxins are on their food, and how much water a toilet flush should be, while a billion people elsewhere have inconsistent diets.

Paul Ehrlich, legendary doomsday prophet, now has a new concern that will kill the planet if it is not addressed - equal rights for women. 

A group of political scientists says a growing field of research has found links to genetics and political preferences - well, sort of.

Forcepflies, commonly known as earwigflies, because the males have a large genital forceps that resembles the cerci of earwigs, are part of a family that was widespread  from Australia to Antarctica and over the Americas during the Jurassic period and extant members are rare now.

In the ongoing quest to optimize alternative energy sources like biofuels, researchers are looking more to plants that grow in the wild, such as switchgrass. But domesticating wildgrowing plants has a downside - it could make them more susceptible to any number of plant viruses.

"Most wild plants are perennials, while most of our agriculture crops are annuals,"  Michigan State University plant biologist Carolyn Malmstrom
said in her statement regarding her talk at the AAAS meeting in Boston. "Sometimes when you mix the properties of the two, unexpected things can happen."

There are culturally appropriate ways to prevent obesity among Latino children, according to a new collection of studies from Salud America! Those might involve guided grocery store trips, menu labeling at restaurants, community gardens, and video-game-based exercise programs, they write in the American Journal of Preventive Medicine.

Donald Wuebbles, a professor of atmospheric sciences at the University of Illinois at Urbana-Champaign, is going to do the thing the IPCC wishes people would not do; attribute local weather events to climate change.

The hurricanes and droughts like we had in 2012 will be more frequent in future U.S. five-day forecasts, as will other extreme weather events, and it's because of human-driven climate change he argues today at the AAAS meeting in Boston. In the 1950s, the number of days that set record high temperatures was equal to the number of days that set record low temperatures. By the 2000s, the United States was twice as likely to see a record high as a record low.

In the year 1006 a new star was seen in the southern skies and widely recorded around the world. It was many times brighter than the planet Venus and may even have rivaled the brightness of the Moon. It was so bright at maximum that it cast shadows and it was visible during the day. More recently astronomers have identified the site of this supernova and named it SN 1006. They have also found a glowing and expanding ring of material in the southern constellation of Lupus (The Wolf) that constitutes the remains of the vast explosion.

The expanding debris of exploded stars produces some of the fastest-moving matter in the universe, according to a new paper. Supernova remnants accelerate cosmic rays to incredible speeds.

Cosmic rays are subatomic particles that move through space at almost the speed of light. About 90 percent of them are protons, with the remainder consisting of electrons and atomic nuclei. In their journey across the galaxy, the electrically charged particles are deflected by magnetic fields. This scrambles their paths and makes it impossible to trace their origins directly. Through a variety of mechanisms, these speedy particles can lead to the emission of gamma rays, the most powerful form of light and a signal that travels to us directly from its sources.