Uncategorized Articles
Why a tornado forms
Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
Global warming and the greenhouse effect
Greenhouse gases trap heat on Earth
El Niño and La Niña
Hundreds of years ago, South American fishermen observed that every year around Christmas, coastal waters of the Pacific became warmer as a current flowed from north to south. This change often meant a smaller catch but more rainfall inland. And …
Weird weather
Global warming helped trigger heat waves and droughts last year
Bad news for big bird
Lead poisoning, which nearly killed off California condors, still threatens the birds
Whale-free perfume
Tree gene trick is good news for people who like perfume made without sperm whale waste
Dino teeth tell a traveling tale
Dental evidence from sauropods suggests the mighty beasts migrated for food
Possible new saltwater stains on Mars
Dark streaks that grow in spring, fade in winter may point to saltwater on the Red Planet
Fats encourage overeating
Scientists find that fats push an “eat more” button in rats
Life beneath the ‘berg
Scientists find Antarctic icebergs play a new and bigger role in the climate cycle
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