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Platypus is a bird,a reptile, & a mammal

9. May 2008

28 Comments

Arguably the oddest beast in Nature’s menagerie, the platypus looks as it if were assembled from spare parts left over after the animal kingdom was otherwise complete.

Now scientists know why. According to a study released Wednesday, the egg-laying critter is a genetic potpourri — part bird, part reptile and part lactating mammal.

The task of laying bare the platypus genome of 2.2 billion base pairs spread across 18,500 genes has taken several years, but will do far more than satisfy the curiosity of just biologists, say the researchers.

“The platypus genome is extremely important, because it is the missing link in our understanding of how we and other mammals first evolved,” (more…)

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Platypus is a bird,a reptile, & a mammal

9. May 2008

22 Comments

Arguably the oddest beast in Nature’s menagerie, the platypus looks as it if were assembled from spare parts left over after the animal kingdom was otherwise complete.

Now scientists know why. According to a study released Wednesday, the egg-laying critter is a genetic potpourri — part bird, part reptile and part lactating mammal.

The task of laying bare the platypus genome of 2.2 billion base pairs spread across 18,500 genes has taken several years, but will do far more than satisfy the curiosity of just biologists, say the researchers.

“The platypus genome is extremely important, because it is the missing link in our understanding of how we and other mammals first evolved,” (more…)

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10 years of Viagra

24. March 2008

22 Comments

viagra pill

The revolutionary drug Viagra also known as Revatio, that changed lives of countless number of men and women instantaneously becomes 10 year old this month.

The drug we know as Viagra was not intended and was discovered serendipitously(accidentally) by a team working in the research laboratory of the drug giant Pfizer.

They were testing Sildenafil, the main constituent(Sildenafil citrate) of Viagra, for cardiovascular diseases. Amusingly,what happened was that some of the volunteers in the clinical trial phase dint want to give the medicine back even after the clinical trial was over. The drug improved their sex lives,they were experiencing amazing (read: harder) and longer erection. (more…)

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Canadian woman gives birth to naturally born triplets

13. March 2008

11 Comments

A Canadian couple has shattered the odds with the birth of naturally conceived, identical triplets.

Thea and Phil Willson became the proud parents of Daniella, Alexis and Gemma on February 29, 10 weeks before the babies’ expected due date.

Naturally born identical triplets are born at a rate of one in 20 million, said Michael Bernard of Fraser Health, the regional health authority that oversees the hospital where the baby was delivered.

Most triplets are conceived with the help of fertility drugs, but the Willsons did it naturally. (more…)

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Even the sperms show brotherhood!

27. February 2008

9 Comments

They are created in their thousands, for one purpose: to die for their brothers. They are the enigmatic “parasperm”, infertile sperm that can dominate the ejaculate of some flies.

In the fruit fly, Drosophila pseudoobscura, about half the sperm are infertile. Why waste energy producing dud sperm? (more…)

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