TOP 100 CAMPING SITES
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| Why We Travel Tourist Mark Moldenhauer comments on snorkeling with his son in cenote, or underwater cave, in Tulum, Mexico; photo query.nytimes.com |
Senate Advances Comprehensive Energy Bill The Senate Energy and Natural Resources Committee voted 15-8 to approve a sweeping energy bill today after months of work, sending the measure to the Senate floor, where many are vowing to make changes. [More] rss.sciam.com |
Insect is Turning Florida's Oranges Green Slowly but surely, Florida's oranges are going sour.Since its discovery in 2005, a grave disorder known as huanglongbing (HLB), or citrus greening disease, has ravaged the Florida citrus industry. Borne by the Asian citrus psyllid, a small, invasive insect related to the aphid, HLB has spread to every county in the state, causing the citrus trees it infects to sprout misshapen, sour fruit. Once a tree is infected, there is no cure. [More] rss.sciam.com |
More Animals Seem to Have Some Ability to Count Scientists have been skeptical of claims of mathematical abilities in animals ever since the case of Clever Hans about 100 years ago. The horse, which performed arithmetic and other intellectual tasks to delighted European audiences, was in reality simply taking subconscious cues from his trainer. Modern examples, such as Alex the African grey parrot, which could count up to six and knew sums and differences, are seen by some as special cases or the product of conditioning.Recent studies, however, have uncovered new instances of a counting skill in different species, suggesting that mathematical abilities could be more fundamental in biology than previously thought. Under certain conditions, monkeys could sometimes outperform college students. [More] rss.sciam.com |
Can Flywheels Help Balance Electricity Supply and Demand? Beacon Power Corp. broke ground today on a 20-megawatt, energy-storage facility in southeastern New York. [More] rss.sciam.com |