John Pickrell is a freelance writer based in Sydney. He was a science writing intern at Science News in 2002.
John Pickrell's Articles
- NewsTwenty thousand delegates from around the world met in Johannesburg last week for a contentious World Summit on Sustainable Development.
- NewsAllergies in Greenland nearly doubled from 1987 to 1998.
- NewsScientists question whether a potentially gender-bending hormone found in polluted Florida streams is responsible for masculinized female fish.
- NewsExposing children to cats or dogs at an early age may make them less prone to allergies later in life.
- NewsThe condition of a lion's mane apparently advertises high-quality mates to picky females and wards off male adversaries.
- NewsTrace amounts of pharmaceutical drugs in waterways may work together to deform and kill native microscopic organisms.
- FeatureWhile international bodies grapple with regulatory schemes to stem the diamond trade that funds ongoing civil conflicts in African countries, scientists are attempting to develop methods for identifying gems from conflict zones.
- NewsA new report from the American Association for the Advancement of Science considers the potential effects on academic research of government policies proposed in response to the terrorism attack of Sept. 11, 2001.
- NewsAsian monsoons have been intensifying over the last 400 years, and they're slated to get worse.
- NewsA new report shows that many cosmetics contain phthalates—a class of chemicals known to cause developmental deformities in animals.