Mountain caribou in British Columbia, Canada, observed during a population census.
Credit: Robert Serrouya CC BY 4.0
What happens when invasive and native species are eaten by the same predator? If the invasive species is abundant, the native species...
Arrows indicate large articulation facets of cervical ribs on a fossil cervical vertebra of a woolly rhino of Naturalis, Leiden.
Credit: Frietson Galis, CC BY 4.0
Researchers from the Naturalis Biodiversity Center in Leiden examined woolly rhino and modern...
Cory's Shearwater, Calonectris borealis, in flight.
Credit: © hstiver / Fotolia
How do birds navigate over long distances? This complex question has been the subject of debate and controversy among scientists for decades, with Earth's magnetic field and the...
Cancer cells glow during surgery.
Credit: Penn Medicine
Surgeons were able to identify and remove a greater number of cancerous nodules from lung cancer patients when combining intraoperative molecular imaging (IMI) -- through the use of a contrast agent that makes...
The PEG-IONCs contrast agent was used to dynamically follow an ischemia on the left side of a monkey's brain. After injecting PEG-IONCs (b) the details become clearer.
Credit: IBS
The top causes of death worldwide, ischemic heart diseases and stroke, together...
Researchers studied the impact of a high salt diet on heart failure risk.
Credit: © Sea Wave / Fotolia
High salt intake is associated with a doubled risk of heart failure, according to a 12-year study in more than 4,000 people...
Skull reconstruction of Lagenanectes richterae.
Credit: Jahn Hornung
A previously unrecognized 132 million-year-old fossilized sea monster from northern Germany has been identified by an international team of researchers. Findings published in the Journal of Vertebrate Paleontology.
The bizarre sea...
Skeleton of Ichthyosaurus.
Credit: Copyright Dean R. Lomax
Scientists from the UK and Germany have discovered the largest Ichthyosaurus on record and found it was pregnant at the time of death.
The new specimen is estimated to be between...
Goldenrod can detect a compound produced by gall-inducing flies, according to researchers.
Credit: Nick Sloff, Penn State
It cannot run away from the fly that does it so much damage, but tall goldenrod can protect itself by first "smelling"...
Solenodon, a bizarre venomous mammal from the Caribbean, survived extinction due to its generalist ecology.
Credit: Photo by Alexis Mychajliw
Animals that live on islands are among the most at risk from extinction. A remarkable eighty percent of extinctions...
Nacho Vivas, lab manager at the Rey Lab, checks on a group of germ-free mice inside a sterile environment.
Credit: Bryce Richter/UW-Madison
"Gut bacteria get to use a lot of our food before we do," says Federico Rey, a...
