Tiny crustacean big on reproduction

When it comes to sexual reproduction, it turns out that size does matter, at least for a group of ancient crustaceans called ostracods. Modern versions of these tiny animals also have extra large sperm, but not to the extent of their relatives 100 million years ago, researchers report in Thursday's edition of the journal Science.

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Study confirms chlorpyrifos levels far below "toxic" threshold can impair learning, change brain function and alter thyroid levels into adulthood for tested mice.

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The state Appeals Court has refused to get involved in a mother's efforts to force a Newton sperm bank to reveal the identity of her twin daughters' father so she can sue him for child support.

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Health insurance companies consider C-section pre-existing condition

But that isn't the only policy that health insurers have that primarily discriminate against women. First of all, most individual health insurance markets don't cover maternity care.

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Two articles: What kind of laws do you have over there in Australia? I'm very disappointed in Australia. Here I thought it was the kind of place where individuality was valued, and there was some good old rugged common sense to the people.

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One of the UK's rarest butterflies has produced a second brood in what conservationists are describing as an extremely rare event.

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"Despite its central role in biology, sex is a bit of an evolutionary mystery. Reproducing without sex—like microbes, some plants and even a few reptiles—would seem like a better way to go. Every individual in an asexual species has the ability to reproduce on its own.

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Article about the change in status of a study claiming to be able to make sperm from embryonic stem cells

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In two separate labs, Chinese scientists claim they were able to use skin cells that produced live offspring. This is no joke!

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[Manila, Philippines--] Why is the reproduction of life political?

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Scientists have confirmed the oldest penis-like structure in an ancient fish specimen.

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Poor circumstances breed daughters

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Why bother with sex when you can clone yourself? Only now are we starting to understand why sex usually wins out over cloning. This gallery, which accompanies our feature article, explores some of the strangest means of reproducing that evolution has thrown up.

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When a women is born, her ovaries have all the eggs they will ever have. As a woman ages, her eggs also age. The older eggs sometimes have trouble growing, dividing, and evenly sharing chromosomes with the increasing number of cells.

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3.4M pregnancies, 54% unintended:– 1.2 M mistimed/unwanted births; – 560,000 induced abortions 4,700 maternal deaths 1/3 of births spaced < 2 years apart, with high risk of infant death 53% of women with unmet need are poor __________ Source:

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At 66, she is four years older than the previous record holder. Mrs Adeney, who is around eight months pregnant,...is still working a five-day week, is in perfect health and looking forward to the birth of what is thought to be her first child. [...]

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Flowers & Their Photos are Sexy ~ It's No Coincidence (Part 1)

A flower is "the seed-bearing part of a plant, consisting of reproductive organs (stamens and carpels) that are typically surrounded by a brightly colored corolla (petals) and a green calyx (sepals).

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The 18-year-old daughter of Alaska Gov. Sarah Palin has been appointed as a Teen Ambassador for The Candie's Foundation.

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Is this the real prelude to human extinction? The 80,000+ chemicals we make and use in daily life permanently damage the development of male reproductive organs, whether human or animal.

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Society: Public surveillance is clearly growing, banks and governments monitor credit and bureaucratic transactions, cameras in public areas have been effective at reducing crime in Europe and their use will inevitably rise.

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An Amazonian ant has dispensed of sex and developed into an all-female species, researchers have found. The ants reproduce via cloning - the queen ants copy themselves to produce genetically identical daughters.

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Researchers in China today announced a discovery that challenges a canonical belief in reproductive biology: that women are born with a set number of immature egg cells, called oocytes, which become depleted with age.

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Two years after having one of the lowest birth rates in the world, Georgia is enjoying something of a baby boom, following an intervention from the country's most senior cleric.

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Habitat destruction, pollution and other problems have left nearly a third of the nation's 800 bird species endangered, threatened or in serious decline, according to a study issued on Thursday. More Articles

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The Catholic church has acted to suppress legal, organizational, and personal support for equality across the globe in recent days.

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The researchers produced the cells by using strands of genetic material, instead of potentially dangerous genetically engineered viruses, to coax skin cells into a state that appears biologically identical to embryonic stem cells. More Articles

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