Cliffton mendonca

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Oswald T Avery, the unsung hero of genetic science

In 1953 James Watson and Francis Crick changed the face of biology when they discovered the double helix structure of DNA, on the basis of experimental studies carried out by Maurice Wilkins and Rosalind Franklin. But not many people know why they were studying this stuff in the first place, how it …

Decoding 'orphan crop' genomes could save millions of lives in Africa

The future wellbeing of millions of Africans may rest in the unlikely hands of a vegan hippy scientist working for a sweet company who plans to map and then give away the genetic data of 100 traditional crops.<p>Howard-Yana Shapiro, the agriculture director of the $36bn US confectionery corporation …

Associated Press News

Solar Scope To Spy Source of Sun's Million-Degree Atmosphere | Video

A newly discovered gaseous exoplanet has been directly photographed orbiting a star about 300 light-years from Earth, and may be the least massive planet directly observed outside of the solar system. http://bit.ly/ZogQt7

This composite image of a galaxy 850 million light-years from Earth shows the power of a giant black hole spewing out humongous jets. Read the full story: http://bit.ly/ZoiV8m See all the best images from last week: http://bit.ly/ZoiYkp

How Dark Matter Works

In the 1978 follow-up album to "Born to Run," Bruce Springsteen uses darkness on the edge of town as a metaphor for the desolate unknown we all face …

New light cast on dark matter

We may be a step closer to fathoming one of particle physics' deepest mysteries<p>Following the discovery of the Higgs boson, perhaps the most pressing problem in particle physics is to determine the nature of dark matter. The current evidence for dark matter is indirect but very convincing: several …

Oswald T Avery, the unsung hero of genetic science

In 1953 James Watson and Francis Crick changed the face of biology when they discovered the double helix structure of DNA, on the basis of …

Eric Weinstein may have found the answer to physics' biggest problems

A physicist has formulated a mathematical theory that purports to explain why the universe works the way it does – and it feels like 'the answer'<p>Two years ago, a mathematician and physicist whom I've known for more than 20 years arranged to meet me in a bar in New York. What he was about to show …

Roll over Einstein: meet Weinstein

There are a lot of open questions in modern physics.<p>Most of the universe is missing, for example. The atoms we know about account for less than 5% of the mass of the observable universe - the rest is dark matter (around 25% of the mass of the universe) and dark energy (a whopping 70%). No one knows …

Internet pornography: never again

Internet pornography is sometimes abusive and often violent. Mark Bridger, convicted yesterday of the murder of April Jones, had compiled a store of it. Violent pornography is easily and freely accessible, and at most requires only a credit card. The link between such material and actual violence, …

DNA double helix: discovery that led to 60 years of biological revolution

The myth is that science proceeds in fits and starts, with eureka moments delivering revelation and revolution. The reality is usually much more mundane: a case of scientists grinding out small, incremental advances. But the publication 60 years ago of Francis Crick and James Watson's celebrated …

Genome research: discovery as an everyday event

On Tuesday, US researchers confirmed the mixed ancestry of that icon of the American range, the Texas longhorn: its DNA came from cattle from Europe and the Middle East, and from the Indian subcontinent. On Wednesday one team of researchers published the genetic sequence of the mountain pine …

Why do identical twins end up having such different lives?

Barbara Oliver has had an intriguing relationship with her identical twin sister, Christine, over the decades. Throughout their childhoods, they were effectively treated as two versions of the one person: they were dressed in exactly the same manner and were given the same hairstyles. "Our parents …