Headlines

Diving into an out-of-sync galaxy

Galaxies are like snowflakes: No two are exactly alike, even the spirals. The Hubble Space Telescope took a close look at the distant spiral NGC 4693 and found intriguing hints about its past. For one thing, this member of the Virgo Cluster seems to have a central region that's

Wearable nanotech could combat nerve agents

Nanoparticles could someday provide a new way to help soldiers fight back against deadly nerve agents on the front lines. In a new study, Northwestern University scientists developed a nanoparticle-based compound that, when mixed into clothing dyes, could limit the impact of

How bumblebees keep up with a flower that won't stay still

Landing on a moving target is a challenge for all flying animals. For bumblebees, a flower swaying in the wind creates an erratic landing pad. Reaching it means matching its sideways motion while continuing to face it. When the bee turns in flight, its view of the flower

Hidden stem cells may be fueling spinal stenosis

Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar spinal stenosis, these cells become unusually active and may drive the ligament overgrowth that squeezes spinal nerves and causes pain,

Scientists find new virus behind mysterious tick illness

Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet counts. Most patients with ALTNV alone recovered, but coinfections with another

How Bolsonaro's statements destroyed the rainforest

Former Brazilian President Jair Bolsonaro contributed to deforestation through statements opposing forest conservation, according to an international study led by the University of Bonn. The study found that destruction of the Amazon rainforest accelerated when Bolsonaro and

Espionage boosted East Germany's economic output by 7.4%

East Germany's espionage activities in the West boosted the country's economic output by 7.4%. Value added in manufacturing alone increased by 22.3% through industrial espionage, equivalent to 20.2 billion East German marks or approximately 4.1 billion euros at 2020 prices.