ScienceDaily: Most Popular News

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• In world first, researchers convert sunlight to electricity with over 40 percent efficiency
• Intact 'ghost ship' discovered off Hawai'i
• Promising compound rapidly eliminates malaria parasite
• Obesity may shorten life expectancy up to eight years
• Astronomers observe two stars so close to each other that they will end up merging into a supermassive star

In world first, researchers convert sunlight to electricity with over 40 percent efficiency Posted: 07 Dec 2014 06:16 AM PST Australia's solar researchers have converted over 40 percent of the sunlight hitting a solar system into electricity, the highest efficiency ever reported. A key part of the prototype's design is the use of a custom optical bandpass filter to capture sunlight that is normally wasted by commercial solar cells on towers and convert it to electricity at a higher efficiency than the solar cells themselves ever could.

Intact 'ghost ship' discovered off Hawai'i Posted: 06 Dec 2014 08:13 AM PST Researchers have discovered an intact 'ghost ship' in 2,000 feet of water nearly 20 miles off the coast of Oahu. Sitting upright, its solitary mast still standing and the ship's wheel still in place, the hulk of the former cable ship Dickenson, later the USS Kailua, was found on the seabed last year on a maritime heritage submersible mission.

Promising compound rapidly eliminates malaria parasite Posted: 05 Dec 2014 02:50 PM PST A promising anti-malarial compound tricks the immune system to rapidly destroy red blood cells infected with the malaria parasite but leave healthy cells unharmed, an international group of researchers has found. Planning has begun for safety trials of the compound in healthy adults.

Obesity may shorten life expectancy up to eight years Posted: 05 Dec 2014 06:48 AM PST 'Tis the season to indulge. However, restraint may be best, according to a new study. The researchers examined the relationship between body weight and life expectancy. Their findings show that overweight and obese individuals have the potential to decrease life expectancy by up to eight years.

Astronomers observe two stars so close to each other that they will end up merging into a supermassive star Posted: 05 Dec 2014 06:37 AM PST A study of "MY Camelopardalis" binary system shows that the most massive stars are made up by merging with other smaller stars, as predicted by theoretical models.

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