Following is a summary of current science news briefs.
Mars had the right stuff for life, scientists find
CAPE CANAVERAL, Florida (Reuters) - Seven months after NASA's rover Curiosity landed on Mars to assess if the planet most like Earth had the ingredients for life, scientists have their answer: Yes. Analysis of a powder drilled from an ancient and once water-soaked rock at the rover's Gale Crater landing site show clays, sulfates and other minerals that are all key to life, the scientists told a news conference at NASA's headquarters on Tuesday.
Locals, biologists face off over Philippine whale shark feeding
Tan-awan, Philippines (Reuters) - Tan-awan, in the southern Philippines island of Cebu, used to be a sleepy village that never saw tourists unless they were lost or in transit. Yet now they flock there by the hundreds - to swim with whale sharks, the world's largest fish. Whale sharks are lured to the Tan-awan coastline of the Oslob district by fishermen who hand feed them small shrimp, drawing divers and snorkelers to see the highly sought-after animals, known as gentle giants of the sea.
Baseball-sized snail destroyed in Australia to protect crops
SYDNEY (Reuters) - A baseball-sized snail with an insatiable appetite for hundreds of plants including cocoa and papaya has been seized and destroyed by Australian officials, who said it posed a huge threat to local agriculture. The animal was found creeping across a Brisbane shipping container yard and identified as a giant African snail, an East African pest capable of growing up to 30 cm (12 inches) long and one kg (2.2 lb) in weight.