Sentences with phrase «eggshell thinning»

Eco-Imperialism — Articles - How myths can kill DDT never caused eggshell thinning and or bald eagle deaths by Steven Milloy... would not adversely affect eagles or their eggs, according to a 1966... http://www.eco-imperialism.com/content/printview.php3?​id=209

High levels of DDT residues were correlated with the eggshell thinning — the higher the DDT levels the thinner the eggshells.

Because of eggshell thinning caused by DDT and other factors, successful bald eagle nesting in the northern Channel Islands ended by 1949.

Concern about the toxicity of POPs «goes all the way back to Rachel Carson's» warning about DDT and eggshell thinning in birds, notes reproductive toxicologist Louis Guillette of the University of Florida, Gainesville.

It was eggshell thinning that devastated fish - eating birds and birds of prey, says Fry, and this effect is well documented in a report (pdf) on DDT published in 2002 by the Department of Health and Human Services» Agency for Toxic Substances and Disease Registry (ATSDR).

She was not aware that DDT — or rather its metabolite, DDE — causes eggshell thinning because the data were not published until the late 1960s and early 1970s.

There was never any proof and the claims about eggshells thinning were also a complete emotional misdirection.

Not exact matches

«I am constantly reminded of the eggshell - thin line that separates loving from loathing» she wrote in her HuffPo column, «The Fine Line Between Marriage and Divorce,» which women passed around like it was a joint.

As «The Secret Lives of Wives» author Iris Krasnow wrote after interviewing some 200 women on their long - time marriages, «I am constantly reminded of the eggshell - thin line that separates loving from loathing.»

Peregrine falcons in the U.S. were initially endangered by the widespread use of the pesticide DDT, which caused their eggshells to thin and break prematurely.

The placenta seems to have evolved from the chorion, a thin membrane that lines the inside of eggshells and helps embryonic reptiles and birds draw oxygen.

Then their numbers declined drastically as they became victims of hunting, and loss of prey and habitat, and, starting in the late 1940s, use of the pesticide DDT — which thinned the eagles eggshells and prevented hatching.

DDT, that insidious thinner of eggshells, had nearly done the peregrine in.

«Proportionally, the timber shell is much thinner than an eggshell,» Menges notes.

«Eggshells are notoriously difficult to study by traditional means, because they easily break when we try to make a thin slice for imaging by electron microscopy,» says McKee, who is also a professor in McGill's Department of Anatomy and Cell Biology.

Then opt for a bold hot pink skirt and pair it with thin eggshell hells.

The 908 was built around a spindly alloy tubular spaceframe, which the bodywork wraps like an eggshell, only thinner.

There are quite a few people on this magazine, myself included, who like a lairy rear - drive car, but there is a difference between being able to give the accelerator a decent prod to easily unhook the grip of the rear tyres and feeling like you're treading on gossamer - thin eggshells through a turn because you're tryng not to break traction every time you press the throttle pedal.

Eggs in general are a nutritional wonder... and one part in particular — the delicate eggshell membrane (the thin layer between the egg white and the shell)-- has been shown in many recent studies to provide dramatic results in improving joint health for both humans and dogs.

In the late 1960s and early 1970s the mean eggshell thickness was found to be approximately 50 % thinner than normal.

However, when the scientists looked more closely, they realized with horror that the pelicans were unable to nest successfully because the eggshells were too thin to withstand incubation and thus were crushed in the nest.

Later analysis of museum eggshells collected before 1943 and the notes of biologists showed that the eggshells of California brown pelicans were substantially thinner by 1962.

The upshot is that if the Arctic ice follows their only realistic forcing scenario, by 2025 it's not going to be recognisable — it'll be an eggshell - thin layer that poses no barrier to shipping.

Rachel Carson's Silent Spring was a major starting point that incorrectly blamed DDT for many things including thinner eggshells; none of which proved correct.

There are two categories applied to injuries falling under the «eggshell skull» test: a «thin skull» and a «crumbling skull».