In the 1980's and 90's, the solar car was deemed the future of transportation. Yet, just as quickly as it arrived, the solar car disappeared. But today, as the problems caused by our reliance on fossil fuels have grown, so has a demand for alternative sources of energy for our vehicles. While electric cars are rapidly gaining a larger share of the automotive market, this technology still relies on electricity from a grid often fueled by petroleum or coal. And this is why some companies today are again trying to harness the most powerful energy source we know: the sun.
Women often use hormone therapy to relieve hot flashes and other menopause symptoms — and new research suggests patches or creams may be safer for their blood pressure than pills.
The cause of global warming is showing no signs of slowing as heat-trapping carbon dioxide in Earth’s atmosphere increased to record highs in its annual Spring peak, jumping at one of the fastest rates on record, officials announced Monday.
Scientists have discovered a new asteroid that's been tagging along with Earth for the past 2,000 years. The space rock is called a "quasi-moon," since it's only slightly influenced by the Earth's gravitational pull, but it still makes the journey around the sun much like the earth does.
