Science

Deadly brain cancers act like 'vampires' by hijacking normal cells to grow
Researchers say certain brain cancers tap electrical signals from healthy cells to fuel their growth. The finding could lead to treatments for deadly tumors like the one that killed Sen. John McCain.
A fire lookout discusses what's lost in a transition to technology
The number of manned fire lookouts in the U.S. is dwindling, as technology is increasingly used to spot and monitor wildfires. But can technology fully replace the human eye?
Brainerd School Board president questions teaching evolution to students
The theory of evolution and whether or not it should be taught to Brainerd School District students popped up during a board meeting this week.
Wild deer in Stearns County fall prey to midge-borne virus
The Minnesota Department of Natural Resources confirmed that two wild deer in Stearns County tested positive for epizootic hemorrhagic disease, a virus spread by insects called midges.
Tips for spotting the northern lights, from an aurora devotee
Sometimes the aurora is a low, green arc sitting still on the horizon. Sometimes it visibly ripples across the sky, like moving pages of a book. Sometimes it pulses here, then there, then over there — like an ethereal game of whack-a-mole.
Iranian rocket launch ends in failure, imagery shows
An Iranian space rocket appears to have exploded on the launch pad at the Imam Khomeini Space Center. It would be the third such failure this year.
Women may be more adept than men at discerning pain
Pain researchers say men and women respond differently to pain, and women may "feel more" pain than men. Understanding the differences in pain perception could lead to better treatments.