When did the feather take flight?

(PhysOrg.com) -- Some 125 million years ago--more recently than once thought possible -- the molecular structure of the modern feather began to take form, according to molecular dating research by scientists at the University ...

New method pinpoints important gene-regulation proteins

A novel technique has been developed and demonstrated at Penn State University to map the proteins that read and regulate chromosomes -- the string-like structures inside cells that carry genes. The specific order in which ...

Long-held belief debunked: Cycad is not a 'Dinosaur Plant'

(PhysOrg.com) -- The widely held belief today's cycads are 'dinosaur plants' and were around during dinosaur times has been categorically debunked in a breakthrough study of international significance.

Nile crocodile is actually two different species

(PhysOrg.com) -- Researchers from the Fordham University in New York have uncovered evidence that what the world has looked to as the iconic Nile crocodile is actually two different species of crocodile that are only distantly ...

'Hidden' differences of chromosome organization become visible

Why different species have dissimilar sets of chromosomes? Why the differentiated species often conserve apparently identical chromosome complements? Furthermore, why, while chromosome rearrangements can considerably change ...

Scientists identify molecular basis for DNA breakage

Scientists from the Hebrew University have identified the molecular basis for DNA breakage, a hallmark of cancer cells. The findings of this research have just been published in the journal Molecular Cell.

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