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image: Chimp Brains Don’t Shrink with Age

Chimp Brains Don’t Shrink with Age

By Tia Ghose | July 25, 2011

Unlike human brains, chimpanzee brains don’t get smaller as they age, suggesting that pronounced neurological decline is a uniquely human byproduct of our oversized brains and extreme longevity.

33 Comments

image: Neanderthal DNA in Modern Humans

Neanderthal DNA in Modern Humans

By Jef Akst | July 19, 2011

Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.

51 Comments

image: Circadian Signs of Aging

Circadian Signs of Aging

By Kerry Grens | July 13, 2011

The neural nexus of the circadian clock shows signs of functional decline as mice age, providing clues as to why sleep patterns tend to change as people grow older.

27 Comments

image: Repeated Regeneration

Repeated Regeneration

By Megan Scudellari | July 12, 2011

A 16-year-long newt study finds that regeneration remains efficient with repetition and age.

9 Comments

image: Top 7 in Developmental Biology

Top 7 in Developmental Biology

By Edyta Zielinska | July 12, 2011

A snapshot of the most highly ranked articles in developmental biology and related areas, from Faculty of 1000.

3 Comments

image: Cellular Salve

Cellular Salve

By Cristina Luiggi | July 8, 2011

Ivan Martin talks about the promise of using cell-based therapies to regenerate joint cartilage.

3 Comments

image: New Suspect in <em>E. coli</em> Deaths

New Suspect in E. coli Deaths

By Jessica P. Johnson | July 6, 2011

Fenugreek seeds are banned in Europe after authorities point the finger at them as a potential source of the deadly E. coli outbreak.

6 Comments

image: Digit ratio predicts penis length

Digit ratio predicts penis length

By Jef Akst | July 5, 2011

In addition to its relationship to a variety of diseases, the length ratio of the second and fourth fingers also correlates with stretched penile length in men.

24 Comments

image: Repainting Ancient Birds

Repainting Ancient Birds

By Megan Scudellari | July 1, 2011

Using synchrotron rapid scanning X-ray fluorescence to map the distribution of trace metals in avian fossils over 120 million-year-old, researchers reconstruct the pigment patterns of their feathers—revealing some of the extinct birds' long-lost colors.

0 Comments

image: C-ing with the Lights Out

C-ing with the Lights Out

By Richard P. Grant | July 1, 2011

I the dark Arctic shallows one research finds heterotrophic marine bacteria doing a surprising amount of carbon fixing.

0 Comments

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