cancer, microbiology, evolution, developmental biology
Opinion: Constrain Speculation to Protect the Integrity of Science
Opinion: Constrain Speculation to Protect the Integrity of Science
Mike Klymkowsky | Jun 18, 2018
What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.
CRISPR Efficiency Tied to Cancer-Causing Process
CRISPR Efficiency Tied to Cancer-Causing Process
Kerry Grens | Jun 11, 2018
Two studies find the genome-editing technique works best when cells have a faulty DNA-damage response that’s frequently present in cancers.  
Organic Compounds Found in Martian Soil
Organic Compounds Found in Martian Soil
Sukanya Charuchandra | Jun 11, 2018
Researchers also found seasonal variations in atmospheric methane on the planet that may have a geological or biological origin.  
EPA to Limit Assessments of Toxic Chemical Risks
EPA to Limit Assessments of Toxic Chemical Risks
Ashley Yeager | Jun 8, 2018
Reducing the evaluation to only direct contact, rather than including environmental exposures, could leave damaging substances on the market, critics say.
Image of the Day: Older and Wiser
Image of the Day: Older and Wiser
Sukanya Charuchandra | Jun 8, 2018
As the years go by, seabirds such as gannets get better at foraging.  
Blood Test Predicts Pregnancy Due Date
Blood Test Predicts Pregnancy Due Date
Kerry Grens | Jun 7, 2018
A small study based on circulating RNA in the blood of moms-to-be describes a technique that could be used to help predict who’s most at risk of preterm labor.
Image of the Day: New Kids on the Block
Image of the Day: New Kids on the Block
Sukanya Charuchandra | Jun 7, 2018
Researchers discover that a layer of human breast tissue is not one but two distinct cell types.  
Dogs in Southern China Host Several Strains of Flu
Dogs in Southern China Host Several Strains of Flu
Sukanya Charuchandra | Jun 6, 2018
They may be a prospective source for an influenza pandemic, researchers warn.  
Mouse Pups Infected With Zika Show Symptoms Into Adulthood
Mouse Pups Infected With Zika Show Symptoms Into Adulthood
Ashley Yeager | Jun 6, 2018
The results suggest the virus could severely alter brain development in infants infected after birth, but blocking a signaling protein early on might ease certain symptoms.
After Relocation, an Endangered Species Stops Avoiding Predator Scents
After Relocation, an Endangered Species Stops Avoiding Predator Scents
Abby Olena | Jun 6, 2018
Researchers find that conserving marsupials on a predator-free island dampens their avoidance behaviors, which could mean trouble for their reintroduction to mainland Australia.