Earth Has Fewer Species Than Expected
An eight-year National Science Foundation-funded study of New Guinean rainforest plants and the insects that feed on them has yielded…
Icebergs’ Impact On Antarctic Marine Life Devastating
For the first time, satellite imagery has allowed scientists to observe how icebergs in a remote corner of Antarctica can…
New Insight Into Basic Mechanism Of Evolution
The basic cellular machinery that generates the genetic diversity central to evolution does not operate quite the way scientists have…
Weed Killer Disrupts Frogs’ Sexual Development
The nation’s top-selling weed killer, atrazine, disrupts the sexual development of frogs at concentrations 30 times lower than levels allowed…
Tropical Rivers Produce More CO2 Than Previously Thought
U.S. and Brazilian researchers say the amount of carbon dioxide coming off streams, rivers and flooded areas of the world’s…
Prescription Drug Pollution May Harm Environment
The millions of doses of prescription drugs that Americans swallow annually to combat cancer, pain, depression and other ailments do…
Alcohol And Nicotine A Pleasurable Combination
It’s no secret that smokers often drink, and drinkers often smoke. Addiction scientists believe that alcohol consumption may contribute to…
Asymmetrical Birds At Risk Of Extinction
If conservationists could foretell the future, they’d want to know which animal populations are about to decline. New research shows…