Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists. Animals with bigger brains are not necessarily more intelligent. This begs the important question: what are they for?
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A new delivery and trigger system has for the first time successfully placed TRAIL, a cancer-fighting protein, directly into solid tumors and on cue, turned it on. The treatment improved the 30-day survival time of mice with mammary tumors from 0 to 100 percent.
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A shocking decline in the Russian Federation’s wild tiger population highlights the importance of eliminating trade in and demand for tiger parts, the International Tiger Coalition has said. Research shows that Siberian tigers may have suffered a serious drop in numbers over the past four years.
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Between 1999 and 2006, the prevalence of adults in the US with high levels of LDL cholesterol, the “bad” cholesterol, decreased by about one-third, according to a new study. But a high percentage of adults still are not being screened or treated for high cholesterol levels.
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One-third of Wii sport and Wii fit activities provide energy expenditures equal to moderate-intensity exercise. Active video games may help prevent or improve obesity and lifestyle-related diseases, researchers said. The study was funded by Nintendo.
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Eight percent of obese people misperceived their body size, believing they did not need to lose weight or that they could afford to gain weight. While those who misperceived their need for weight loss thought they were healthier than others their age, they had the same risk factors for heart disease as other obese patients. [...]
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First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: a remarkably flat molecule made of carbon atoms arranged in hexagonal rings much like molecular chicken wire.
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Rapid influenza diagnostic tests used in doctors’ offices, hospitals and medical laboratories to detect H1N1 are virtually useless and could pose a significant danger to public health, according to a researcher.
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Some 500 years ago there was a change in the circulation in the atmosphere over Scandinavia. This probably led to increased amounts of winter precipitation in northern Sweden for a period.
Patients with heart disease in Norway, a country with no fortification of foods with folic acid, had an associated increased risk of cancer and death from any cause if they had received treatment with folic acid and vitamin B12, according to a new study.