France issues a mandate requires all new commercial roofs to be "green." Research indicates the "paleo diet" fad is just that. And it turns out humans are far from the only animals to enjoy sex for its own sake. It's Earthy Thursday, our weekly segment on science and Earth-related news. All this and more for the Pagan News Beagle!

This spring the French legislature passed a new law that went unnoticed by many but could be potentially revolutionary. According to the new law all buildings built within commercial zones must now feature "green roofs," partially covering their roofs with either vegetation or solar panels. The law could potentially decrease the cost of regulating the buildings' internal temperature while also lowering their carbon footprint.

Sex is just for reproduction, right? Well, mostly. But as it turns out humans are far from the only animals to engage in sex for non-reproductive purposes, from socializing to establishing hierarchies to just plain fun. This article from Discover covers the details on non-reproductive sex in the animal kingdom.

Earlier we shared a link about how motherhood changes women's brains as they adapt to their new role as parents. But what about new fathers? New research shows that parenthood has an effect on the male brain as well, increasing their focus on family over self and prompting them to think about the long-term future of their offspring.

In many ways magnets are a very simple technology. After all, many of us have more than a few sprawled across our fridge. But despite their evident simplicity, magnets can be powerful tools, as this list from Gizmodo shows, which discusses the many ways magnets may soon change our future.

If you've been paying attention to trends in dieting you may have heard of the "paleo diet," a palate that trades cereal grains for meat, nuts, and berries. But is the paleo diet really accurate to our ancestors' eating habits? According to research not in the slightest. In fact, as it turns out, complex carbohydrates may have played a vital role in human evolution.