history, microbiology, evolution, ecology
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Sukanya Charuchandra | Jun 19, 2018
Species with larger pancreatic cells tend to have shorter lives, according to a study.  
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.
Image of the Day: Landing Blows
Image of the Day: Landing Blows
Sukanya Charuchandra | Jun 18, 2018
The smashing mantis shrimp is strategic in its attack on sea snails.  
Even in the Bronze Age, Humans Altered Soil Chemistry
Even in the Bronze Age, Humans Altered Soil Chemistry
Kerry Grens | Jun 13, 2018
Ancient bones from Ireland reveal that farming has changed nitrogen composition in land for the last 3,000 years.
Africa’s Oldest Baobab Trees Are Dying Suddenly
Africa’s Oldest Baobab Trees Are Dying Suddenly
Catherine Offord | Jun 12, 2018
Although more evidence is needed to pin down a cause, researchers suspect that climate change is to blame.
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.  
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.  
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.