A novel experiment conducted by Carnegie Mellon University Professor George Loewenstein and colleagues may explain why people try a drug, such as heroin, for the first time despite ample evidence…

The time is ripe for scientific organizations to adopt codes of ethics, according to a scientist and bioethicist from Wake Forest University School of Medicine in the current issue of Science and…

Carbon dioxide, a greenhouse gas that has become a bane of modern society, may have saved Earth from freezing over early in the planet's history, according to the first detailed laboratory analysis…

Most parents cannot recognize that their child is overweight, a Deakin University study has revealed, with a majority believing their overweight child is of normal weight. Researchers with Deakin's…

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It can be argued that the three most transformative technologies of the last twenty years are the personal computer, the Internet and the cell phone.  I have written often in Evolution Shift…

From tomorrow until the end of the week, I'm going to post just strictly about science, I mean at least once per day on science and only science. No popular medicine, no medical imaging, no fun. I'm…

Peering backward in time to an instant after the big bang, physicists at the University of Wisconsin-Madison have devised an approach that may help unlock the hidden shapes of alternate dimensions of…

Portable inspection devices that detect food safety and quality problems are being developed by Agricultural Research Service (ARS) scientists. Recent food safety outbreaks highlight the need for…

In releasing its latest comprehensive report, the Intergovernmental Panel on Climate Change (IPCC) focuses an important spotlight on the current state of the Earth’s climate. Climate change is just…

A giant cloud half the size of the United States has been imaged on Saturn’s moon Titan by the Cassini spacecraft. The cloud may be responsible for the material that fills the lakes discovered last…

A little-known lipid plays a big role in helping us grow from a hollow sphere of stem cells into human beings, researchers have found. They found that in the first few days of life, ceramide helps…

Fluctuations in sex hormone levels during women's menstrual cycles affect the responsiveness of their brains' reward circuitry, an imaging study at the National Institute of Mental Health (NIMH), a…

Investigators from the Ludwig Institute for Cancer Research (LICR) and the University of California, San Diego (UCSD) have made a breakthrough in identifying functional elements in the human genome,…

A Georgia Tech physics group has discovered how and why the electrical conductance of metal nanowires changes as their length varies. In a collaborative investigation performed by an experimental…

The transition from an ice age to an ice-free planet 300 million years ago was highly unstable, marked by dips and rises in carbon dioxide, extreme swings in climate and drastic effects on tropical…

I think, after 2 and a half months of blogging, it's time to tell you my dream. I'm nearly sure about that this dream wouldn't come true in my lifetime. I dream about a total screening for genetic…

How is it that I didn’t hear about this sooner?  It appears that this year Daylight Savings Time is starting earlier, and ending later, than its traditional first-of-April to end-of-October run.…

Women who become pregnant in spring are more vulnerable to preterm birth than those who conceive in other seasons, according to researchers at the University of Pittsburgh. Results of a large study…