A Deathly Pallor

Global warming could lead to lighter-colored insects with waning immune defenses.

Falling Out of the Family Tree

A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.

Long Live Collagen

Increased collagen expression is a common feature of many different pathways to extended longevity in worms.

Growth Hormone Guidance

Intact growth hormone signaling pathways are needed for methionine restriction to extend mouse lifespan.

Riding Out Rejection

How to navigate the choppy waters of scientific publication

Apiarium, 1625

Galileo’s improvements to the microscope led to the first published observations using such an instrument.

Chill GPS

Keeping track of frozen biological samples

News & Opinion

Covering the life sciences inside and out

image: Comparing Leprosy Bacteria

Comparing Leprosy Bacteria


Researchers sequence the genome of Mycobacterium lepromatosis, a recently discovered sister species to the primary leprosy-causing bacterium.

image: Short, Strong Signals

Short, Strong Signals


Methylation increases both the activity and instability of the signaling protein Notch.

Online brain-training is gaining popularity, but so far little evidence exists to support claims of improved cognition.

image: CRISPR Chain Reaction

CRISPR Chain Reaction


A powerful new CRISPR/Cas9 tool can be used to produce homozygous mutations within a generation, but scientists call for caution.

The Nutshell

Daily News Roundup

A study suggests that the virus may not be evolving as quickly as a previous group estimated.

A researcher challenges the UK government’s conclusion that neonicotinoids aren’t that bad for pollinators.

BioMed Central retracts 43 papers it had been investigating for evidence of faked peer review.

Researchers perform whole-genome sequencing on roughly 1 percent of the Icelandic population.

Current Issue

March 2015

From DNA damage to cellular miscommunication, aging is a mysterious and multifarious process.

Research reveals how the brain changes as we age and hints at ways to slow the decline.

These mobile genetic elements can wreak havoc on the genome. Researchers are now trying to understand how such activity contributes to the aging process.

Galileo’s improvements to the microscope led to the first published observations using such an instrument.


Video, Slideshows, Infographics

Changes to light-reflecting guanine nanocrystals help chameleons quickly change hues.

See human brains age in week-by-week time lapse images that divulge the existence of tiny strokes that damage white matter.

The Marketplace

New Product Press Releases

Enables More Informed Casework Decisions.

Software provides simple but powerful solution for designing CRISPR experiments.

mRNA-In™ and mRNA-In™ Neuro – a new range of high efficiency, targeted transfection reagents.

Nanolive SA 3D Cell Explorer

Nanolive SA announces the release of an off-­line version of STEVE.

The VS20 WAVE from Cleaver Scientific.

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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