Children of depressed mothers have a different brain: MRI scans show their children have an enlarged amygdala

Scientists worked with 10-year-old children whose mothers exhibited symptoms of depression throughout their lives and discovered that the children

Increased protection urgently needed for tunas, experts urge

For the first time, all species of scombrids (tunas, bonitos, mackerels and Spanish mackerels) and billfishes (swordfish and marlins) have been assessed for the IUCN Red List of Threatened Species. Of the 61 known species, seven are classified in a threatened category, being at serious risk of extinction. Four species are listed as Near Threatened and nearly two-thirds have been placed in the Least Concern category.

Broader psychological impact of 2010 Gulf of Mexico oil spill

The explosion and fire on a BP-licensed oil platform in the Gulf of Mexico in April 2010 had huge environmental and economic effects, with millions of gallons of oil leaking into the water for more than five months. It also had significant psychological impact on people living in coastal communities, even in those areas that did not have direct oil exposure, according to researchers.

Ozone layer’s future linked strongly to changes in climate, study finds

The ozone layer -- the thin atmospheric band high-up in the stratosphere that protects living things on Earth from the sun

The net delusion: the dark side of internet freedom

Amazon | “The revolution will be Twittered!” declared journalist Andrew Sullivan after protests erupted in Iran in June 2009. Yet for all the talk about

Worldwide sulfur emissions rose between 2000-2005, after decade of decline

A new analysis of sulfur emissions shows that after declining for a decade, worldwide emissions rose again in 2000 due largely to international shipping and a growing Chinese economy. An accurate read on sulfur emissions will help researchers predict future changes in climate and determine present day effects on the atmosphere, health and the environment.

Turtle populations affected by climate, habitat loss and overexploitation

Although turtles have been on the planet for about 220 million years, scientists now report that almost half of all turtle species is threatened.

World phosphorous use crosses critical threshold

(PhysOrg.com) -- Recalculating the global use of phosphorous, a fertilizer linchpin of modern agriculture, a team of researchers warns that the world

Larger cities drive growing wage gap between the rich and the poor, study shows

Why in the United States are the rich getting richer and the poor getting poorer? A new study shows that our larger cities are responsible for up to one-third of the growth in the wage gap. And it

Casting a net for space debris

What can a Japanese fishing net manufacturer do with all that space junk? The answer is obvious.

Common insecticide used in homes associated with delayed mental development of young children

In the first study to examine the effects of pyrethroid insecticides on humans and the first evaluation of their potential toxicity to the developing fetal brain, scientists have found a significant association between piperonyl butoxide, a common additive in pyrethroid formulations, measured in personal air collected during the third trimester of pregnancy, and delayed mental development at 36 months.

Lifestyle affects life expectancy more than genetics, swedish study finds

How long your parents lived does not necessarily affect how long you will live. Instead it is how you live your life that determines how old you will get, reveals research from Sweden.

Processed food diet in early childhood may lower subsequent IQ

A diet, high in fats, sugars and processed foods in early childhood may lower IQ, while a diet packed full of vitamins and nutrients may do the opposite, suggests new research.