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BPA disrupts sperm development, linked to declining male fertility

Jan 27, 15 BPA disrupts sperm development, linked to declining male fertility

Posted by in Science

Men are generally not as fertile as they used to be, many studies suggest. While there are regional variations, sperm counts and quality have, by and large, been declining over the past 50 years or so. One 2013 study of more than 26,000 French men, for example, found that sperm concentrations have dropped by nearly 2 percent each year from 1996 to 2005.

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Sleep now for better memory later on

Jan 26, 15 Sleep now for better memory later on

Posted by in Mental Health, Science

A new study from Baylor University in Waco, Texas found investing in quality sleep now leads to increased cognitive (and overall) health later. "It's the difference between investing up front rather than trying to compensate later," said Michael K. Scullin, lead study author from the BU Sleep Neuroscience and Cognition Laboratory.

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How the smell of cinnamon seduces us into spending money

Jan 26, 15 How the smell of cinnamon seduces us into spending money

Posted by in Science

Certain smells can have an impact on what and how much you buy, according to a new study. Unbeknownst to shoppers, the smell of cinnamon can spur them into buying more “prestigious items,” the researchers discovered.

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Small volcanic eruptions may be slowing global warming

Jan 26, 15 Small volcanic eruptions may be slowing global warming

Posted by in Science

Small volcanic eruptions may have been slowing global warming for over a decade, according to a new study with results that are in line with previous findings that vast quantities of ash and gases ejected from volcanoes can have a remarkable cooling effect on Earth’s climate by blocking solar radiation.

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None of us are sleeping

Jan 25, 15 None of us are sleeping

Posted by in Science

If you’re feeling cranky, confused or too tired even for sex, blame it on Thomas Alva Edison. We’re all bushed, and it’s all his fault. Humans have been screwing with their body clocks—and getting less sleep—ever since the Wizard of Menlo Park had his very bright idea.

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Are emotions as contagious as the common cold?

Jan 25, 15 Are emotions as contagious as the common cold?

Posted by in Science

Every winter, like clockwork, we prepare to avoid catching the flu or seasonal cold. However, there is an epidemic we’re all infected with without a cure: emotional contagion. In BrainCraft’s latest video, “Are Your Emotions Contagious?” writer and host Vanessa Hill suggests we tend to subconsciously catch each other’s feelings through a mirror neurons system that reflects behavior.

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The science of superstition

Jan 25, 15 The science of superstition

Posted by in Science, WTF???

We’ve picked an interesting array of items to serve as good luck charms: horseshoes, four-leaf clovers, the number seven, wishbones, shooting stars, and (of course) rabbit’s feet. Or maybe you’re a creative type and use an old blankie or a pair of socks. Superstitions let you choose your own adventure.

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Rare ‘living fossil’ caught off Australia

Jan 25, 15 Rare ‘living fossil’ caught off Australia

Posted by in Science

Fishermen say they saw something "horrific-looking" when they pulled out a rarely-seen shark from their nets off the south-east coast of Australia on last week. The shark is from one of two remaining species of an ancient family that lived almost 80 million years ago. It is called a "living fossil" because it has many primitive features that have only been known from fossils.

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Epigenetics and the weird world of shapeshifting DNA

Jan 24, 15 Epigenetics and the weird world of shapeshifting DNA

Posted by in Science

In this day of plastic surgery mania, DNA is the one human feature that is virtually unchangeable. But recent research into the amazing field of epigenetics has suggested that that may not be completely true. Here are a few rather surprising ways that you can show Mother Nature who's boss and do the unthinkable: change your genetic makeup.

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If you think you’re fat, you’re halfway there

Jan 24, 15 If you think you’re fat, you’re halfway there

Posted by in Health, Science

The ways in which we perceive ourselves may matter more than we realize. In a forthcoming paper from Psychological Science, teens who felt fat at a normal weight ran a greater risk of becoming overweight or obese by the time they were 30.

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