We present the use of detailed canopy structure as measured by hemispherical photographs taken at locations coinciding with 24 ultrasonic snow depth sensors to explain plot scale ablation patterns in ...

A new study is advancing a positron emission tomography (PET) imaging method that uses new 4-D image reconstruction to achieve the highest diagnostic capability for the detection of cancer. Mounting ...

You’re looking at an artistic representation of what is known as a Hillis plot — a visual snapshot of the evolutionary relationships connecting Earth’s various life forms. Evolutionary biologists ...