Posts Tagged ‘pesticides’

Mom’s PCB exposure harms unborn baby

JOHNS HOPKINS (US) — Pregnant women with more exposure to common environmental contaminants carry fetuses that move more frequently and vigorously but sometimes without the heart rate accelerations that indicate the baby is doing well. Continue…

Thursday, June 13, 2013 14:48 - 0 Comments

Earth & Environment - May 14, 2013 12:08 - 0 Comments

Frogs near fields build resistance to insecticides

U. PITTSBURGH (US) — Two recent studies show that wood frogs living close to fields are resistant to multiple insecticides, but not to Roundup, a common weed killer. (more…)

Health & Medicine - Apr 10, 2013 12:16 - 0 Comments

Nip mosquito-borne disease in the ‘bug’

U. MELBOURNE (AUS) — Scientists report promising results from a new technique to introduce disease-blocking bacteria into mosquitoes in an effort to stop the spread of dengue, yellow fever, and possibly malaria. (more…)

Health & Medicine - Mar 13, 2013 14:31 - 1 Comment

Prenatal exposure to DDT linked to hypertension

UC DAVIS (US) — Girls exposed to high levels of the pesticide DDT while in the womb are three times more likely to develop high blood pressure as adults. (more…)

Health & Medicine - Jan 11, 2013 17:36 - 0 Comments

Human enzyme could neutralize nerve agents

U. SHEFFIELD (UK) — A new treatment tested in mice appears to neutralize the effects of chemicals that kill hundreds of thousands of people each year. (more…)

Kids may risk cancer from toxins in food

UC DAVIS (US) — All 364 children in a recent study of food-borne toxin exposure exceeded cancer benchmarks for arsenic, dieldrin, DDE, and dioxins. (more…)

Health & Medicine - Nov 12, 2012 12:38 - 0 Comments

Air, dust tests reveal chemicals at daycare

UC BERKELEY (US) — A new study of 40 California childcare facilities found elevated levels of some contaminants, particularly formaldehyde, a respiratory irritant and carcinogen. (more…)

Science & Technology - Oct 9, 2012 15:42 - 0 Comments

Without any pests, plants relax quickly

CORNELL (US) — When researchers removed bugs, a species of native wildflower let its guard down after just three to four generations. (more…)

Science & Technology - Jul 9, 2012 16:50 - 1 Comment

Catalysts could lead to greener chemicals

CALTECH (US) — A new class of catalysts will make it possible to synthesize a wide range of chemicals— from pharmaceuticals to insect pheromones—using environmentally friendly methods. (more…)

Health & Medicine - Jun 28, 2012 17:17 - 0 Comments

Study points to risks for rare sleep disorder

MCGILL (CAN) — New research ties a rare sleep disorder that causes people to act out their dreams to smoking, head injury, pesticide exposure, and farming. (more…)

Health & Medicine - May 22, 2012 12:38 - 0 Comments

Third offspring later, chemical effects linger

U. TEXAS-AUSTIN (US) — Exposure to chemicals has the ability to influence behavior of offspring several generations after the initial exposure, according to a new study. (more…)

Earth & Environment - Apr 2, 2012 9:21 - 1 Comment

Like predators, pesticides morph tadpoles

U. PITTSBURGH (US) — The world’s most popular weed killer can cause amphibians to change shape in ways normally caused by a predator. (more…)

Earth & Environment - Mar 1, 2012 13:36 - 0 Comments

Different mix may make pesticide safer

U. MISSOURI (US) — Researchers are looking for ways to improve the efficiency and safety of a controversial pesticide in which the active ingredient, methyl iodide, is a known carcinogen. (more…)

Earth & Environment - Jan 13, 2012 12:30 - 8 Comments

High insecticide levels in dead honeybees

PURDUE (US) — Honeybee populations have been in serious decline for years, and scientists may have identified one of the factors that cause bee deaths around agricultural fields. (more…)

Science & Technology - Nov 30, 2011 14:26 - 1 Comment

Chemical in spider silk repels ant attack

U. MELBOURNE (AUS) — Researchers have shown for the first time how Golden orb web spiders (Nephila antipodiana) add a chemical to their web silk to repel invading ants. (more…)

Health & Medicine - Oct 21, 2011 10:34 - 1 Comment

Birth defect risk up 450% in rural China

U. TEXAS-AUSTIN (US) — Pesticides and pollutants are linked to an alarming 450 percent increase in the risk of spina bifida and anencephaly in rural China, a new study shows. (more…)

Science & Technology - Oct 3, 2011 9:39 - 1 Comment

Self-cleaning cloth breaks down chemicals

UC DAVIS (US) — A new self-cleaning fabric made from cotton can kill bacteria and break down toxic chemicals such as pesticide residues when exposed to light. (more…)

Health & Medicine - Apr 22, 2011 14:23 - 1 Comment

Pesticide exposure linked to low IQ

UC BERKELEY (US) — Children exposed prenatally to pesticides commonly used on food crops score as much as seven points lower on standardized intelligence tests when they reach the age of 7. (more…)

Earth & Environment - Feb 28, 2011 13:24 - 2 Comments

Invasion of the fire ants! (Blame Dixie)

U. FLORIDA (US) — The worldwide explosion of red imported fire ants can be traced all but entirely to the southern United States. (more…)

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