Kerry Grens

Recent Articles

Study of 81 six-week-olds who were born by C-section or vaginal delivery didn’t show differences in the structure or function of their microbiota, despite contrary results from other studies on babies. 

image: Bacteria-Treated Mosquitoes Released in More Locations

Bacteria-Treated Mosquitoes Released in More Locations

By | January 17, 2017

Infected with Wolbachia, the insects are expected to reduce the spread of dengue and Zika. But scientists say the approach may have limitations.

image: First Bumblebee Species Declared Endangered in U.S.

First Bumblebee Species Declared Endangered in U.S.

By | January 11, 2017

The federal government concludes the rusty patched bumblebee is nearing extinction.

image: Drug Approval Timeline Same as 20 Years Ago

Drug Approval Timeline Same as 20 Years Ago

By | January 9, 2017

A report finds that new medications still take about 12 years to go from patent to patient.

image: Science on Reddit in 2016

Science on Reddit in 2016

By | December 30, 2016

A conversation with Nate Allen, head moderator of r/Science

image: More Anti-CRISPR Proteins to Block Cas9

More Anti-CRISPR Proteins to Block Cas9

By | December 29, 2016

The latest CRISPR deactivators to be discovered turn off the Streptococcus pyogenes Cas9 widely used in genome editing.

image: Cheetah Range Drops 90 Percent

Cheetah Range Drops 90 Percent

By | December 27, 2016

Estimating only 7,100 individuals remaining, researchers urge a reclassification of the species from vulnerable to endangered.

image: New CRISPR-Cas Enzymes Discovered

New CRISPR-Cas Enzymes Discovered

By | December 22, 2016

A metagenomics analysis finds Cas9 in archaea for the first time, along with two previously unknown Cas nucleases from bacteria.

image: Ignacio Tinoco, Luminary of RNA Folding, Dies

Ignacio Tinoco, Luminary of RNA Folding, Dies

By | December 20, 2016

The chemist shed light on ribonucleic acids’ secondary structures.

image: Top Technical Advances 2016

Top Technical Advances 2016

By | December 15, 2016

The year’s most impressive achievements include methods to watch translation in cells, trace cell fates, avoid mitochondrial mutations, edit DNA, and build antibiotics from scratch.

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