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The Living Set

Mathematical and computational approaches are making strides in understanding how life might have emerged and organized itself from the basic chemistry of early Earth.

A Plague on Pachyderms

At least seven species of herpesvirus commonly infect elephants. At zoos, keepers scramble to save calves, who are particularly vulnerable to the viruses.

Adapting to Arsenic

Andean communities may have evolved the ability to metabolize arsenic.

Silencing Surprise

A chromatin remodeler in embryonic stem cells clears the DNA for mRNA transcription while stifling the expression of noncoding transcripts.

News & Opinion

Covering the life sciences inside and out

image: Brain Drain

Brain Drain

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The brain contains lymphatic vessels similar to those found elsewhere in the body, a mouse study shows.

Scientists tinker with biosynthetic pathways to make versions of a common antibiotic that stunt drug-resistant bacteria.

image: Genomes Point the Way

Genomes Point the Way

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Sequence analysis of Egyptian, Ethiopian, and non-African peoples indicates a likely route taken by modern humans migrating out of Africa.

Genetically engineered commensal bacteria help researchers detect cancer metastases in mouse livers.

The Nutshell

Daily News Roundup

New research points to key properties of transfer RNA molecules and amino acids that may have supported the origin of life on Earth.

Irwin “Ernie” Rose, who shared the 2004 Nobel Prize in Chemistry for his work on ubiquitin-mediated protein degradation, has passed away at age 88.

The National Cancer Institute is launching a Phase 2 trial matching patients with specific mutations to drugs tailored to those genetic changes.

University of Arizona Professor Raphael Sagarin has died. He was struck by a truck while riding his bicycle.

Current Issue

June 2015

How motion illusions trick the visual system, and what they can teach us about how our eyes and brains evolved

Mathematical and computational approaches are making strides in understanding how life might have emerged and organized itself from the basic chemistry of early Earth.

Revolutionary new methods for extracting, purifying, and sequencing ever-more-ancient DNA have opened an unprecedented window into the history of life on Earth.

At least seven species of herpesvirus commonly infect elephants. At zoos, keepers scramble to save calves, who are particularly vulnerable to the viruses.

Multimedia

Video, Slideshows, Infographics

See the social interaction between wild baboons that may be the key to shared microbiomes among groups studied by the Amboseli Baboon Research Project.

Researchers at the Smithsonian National Zoological Park in Washington, D.C., are studying a viral infection that can be lethal to elephant calves.

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    The brain contains lymphatic vessels similar to those found elsewhere in the body, a mouse study shows.

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    Sequence analysis of Egyptian, Ethiopian, and non-African peoples indicates a likely route taken by modern humans migrating out of Africa.

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Featured Comment

Marie-Paule Kieny started off her comment oh so right, but then continued oh so wrong.  In this case, forget the bioethicists. Kieny should have said, "We need to tell the bioethicists that there is no other choice."


- Unknown, Bioethics of Experimental Ebola Treatments