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Kerry Sheridan

For Kerry Sheridan's latest contributions to The Japan Times, see below:

Double mastectomy 'often misused'

May 31, 2014

Double mastectomy 'often misused'

Women diagnosed with cancer in one breast often face a difficult decision of whether to surgically remove both, and a recent study found double mastectomies may be performed too often. The surgery does not increase survival in most women, and is typically recommended for ...

Vaccine denial goes mainstream in the U.S.

Apr 7, 2014

Vaccine denial goes mainstream in the U.S.

Kathleen Wiederman is not staunchly against vaccines. She simply believes it is better for her child to naturally battle an illness than to be vaccinated against it. “Doctors don’t know everything,” said the 42-year-old recruiter, who prefers alternative medicine and gave birth at her ...

Pygmy tyrannosaur prowled the ancient Arctic

Mar 22, 2014

Pygmy tyrannosaur prowled the ancient Arctic

A pint-sized tyrannosaur braved the frigid Arctic and feasted on fellow dinosaurs 70 million years ago, according to a recent report on a new species identified from fossilized skull bones in Alaska. Scientists have crowned the fierce creature the “polar bear lizard,” or Nanuqsaurus ...

Elephants can distinguish human languages

Mar 15, 2014

Elephants can distinguish human languages

African elephants can differentiate between human languages and move away from those considered a threat, a skill they have honed to survive in the wild, researchers said March 10. The study suggests elephants, already known to be intelligent creatures, are even more sophisticated than ...

Camels may transmit fatal MERS virus to humans

Mar 8, 2014

Camels may transmit fatal MERS virus to humans

A respiratory virus that has killed dozens of people, mainly in the Middle East, is widespread in camels and may be jumping directly from camels to humans, a recent study said. Called Middle East respiratory syndrome, or MERS, it has killed 79 of the ...

Science unveils iconic painters' secrets

Feb 22, 2014

Science unveils iconic painters' secrets

What hue of red was really in that Renoir masterpiece? How did Van Gogh envision his yellow flowers? And did Picasso really use house paint? Advanced science techniques are helping shed new light on the original beauty that has faded with time on some ...

Dolphins in 'bad shape' after BP oil spill: study

Feb 22, 2014

Dolphins in 'bad shape' after BP oil spill: study

Bottlenose dolphins with missing teeth, lung disease, and abnormal hormone levels were found swimming in the Gulf of Mexico a year after the BP oil spill, U.S. researchers said. Pneumonia, liver disease and a pregnant female carrying a dead fetus were also reported in ...

Few animals can bop to a beat — why do we?

Feb 17, 2014

Few animals can bop to a beat — why do we?

Dogs may bark to music and chimps may bang on drums, but creatures that can truly keep a beat are rare, raising intriguing questions about the evolution of the human brain. A bonobo named Kanzi first surprised researcher Patricia Gray more than a decade ...

'Neoracism' growing in research: scientists

Feb 17, 2014

'Neoracism' growing in research: scientists

Advances in genetic sequencing are giving rise to a new era of scientific racism despite decades of efforts to reverse attitudes used to justify the slave trade and Nazi theology, experts say. New forms of discrimination, known as “neoracism,” are taking hold in scientific ...

Earth appears to be an oddity

Jan 11, 2014

Earth appears to be an oddity

Astronomers call them super-Earths and they are abundant outside our solar system. But the more experts learn about them, the weirder our planet seems in comparison. Planets the size of Earth and up to four times larger are believed to make up about three-quarters ...