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Offering a rare sneak peek into the courtship behavior of dinosaurs, an international team of scientists has claimed that the giant extinct animals would shake a tail feather and use fancy footwork to attract their mates.

The findings, based on millions of years old fossils found in the rocks of Colorado, have been published in Scientific. The fossils provide physical proof that some dinosaurs may have acted much like birds, their modern-day relatives. An asteroid that smashed into the Earth some 66 million years ago led to the complete wipeout of the dinosaurs. This typical form of mating is called "scraping”, which is more common among modern ground-nesting birds.

Several companies will now be using the IBM’s Watson cognitive system to enhance their applications. Under Armour, Softbank Robotics’ Pepper and others have entered a strategic partnership with IBM for access to IBM Watson’s machine learning algorithms and AI. Watson will be used by these companies to enhance the intelligence and personalization of their applications and other services.

This marks the latest move in the expansion of IBM’s Watson, following the launch of a Cognitive Business Solutions facility and a distinct IoT hub in Germany earlier in the year. IBM CEO Ginny Rometty revealed that the company has undertaken nearly 30 acquisitions for enhancing its proficiency and database.

A latest analysis has suggested that bigger, broader studies need to be conducted to tell whether cancer screening actually saves lives or not.

The authors pointed out that cancer screening could be linked to fewer deaths from tumors, but detecting cancers doesn't necessarily save lives when fatalities due to all causes are taken into consideration.

In the BMJ, two doctors and a health care journalist argued that studies so far may have included quite few people to find out slight overall mortality benefits linked to screening,. It might be the case that any fall in cancer deaths because to screening could have been offset by fatalities related to bad effects of the tests themselves or of needless treatments.

A latest study has suggested that conceiving while taking birth control pills doesn't apparently increase the risk of birth defects. Researchers discovered similar rates of birth defects in women who had never taken birth control pills and the ones who took them before pregnancy or before realizing that they were pregnant.

Lead researcher Brittany Charlton said that women who conceive either soon after they stop taking oral contraceptives, or even while taking them, must know that this exposure is unlikely to cause birth defects.

According to a field test of experimental treatment, treating Ebola victims using blood plasma donated by Ebola survivors has failed to notably raise the odds of recovering from the deadly virus.

The finding is based on the cases of 84 people, who had undergone treatment with plasma in Conakry, Guinea, with a hope that the antibodies in the fluid would aid patients fight off the virus the way they performed in the surviving donors.

The results published in the New England Journal of Medicine suggested that the death rate was 31% when plasma was used in comparison to 38% in a control group of 418 sufferers, who had undergone treatment in the same medical center and did not receive survivor plasma.

Chipotle Mexican Grill has been given a federal subpoena last month as part of criminal investigation linked to an outbreak at a restaurant of the company. The legal document asks Chipotle to provide documents of its Simi Valley restaurant where outbreak was reported a few months ago.

The US Attorney’s Office for the Central District of California and the Food and Drug Administration’s Office of Criminal Investigations have been investigating the case. The office has demanded documents from his office regarding the Denver based Chipotle’s case, said Doug Beach from Ventura County’s Environmental Health Division.