New Study Suggests Spiders Dream

In a new study, researchers from the University of Konstanz in Germany discovered that spiders, specifically the jumping spider species Evarcha arcuata, experience moments of rapidly shifting eye movement while they sleep—a sign that indicates they may be dreaming. These twitches are similar to that of other animals who experience REM sleep, the phase in slumber in which dreaming occurs. To find more concrete proof …

New Face Mask Material Captures and Deactivates COVID Particles

Researchers have developed a new membrane-based respiratory mask that captures and deactivates the COVID-19 particles it encounters. The mask filters particles the same way N95 masks do, but the new material also features antiviral enzymes that destroy SARS-CoV-2 spike proteins (which are what allow the virus to enter the body). According to the developer’s tests, 99% of targeted particles were successfully filtered out by the …

Scientists Hack Fruit Fly Brains to Remote Control Them

Scientists at Rice University have successfully used a remote control to operate the wings of fruit flies, after hacking into their brains. To achieve this, the researchers genetically modified flies to express a specific heat-sensitive ion channel. Then they inserted a heat trigger—magnetic iron oxide nanoparticles that heat up in the presence of a magnetic charge—into the flies’ brains. When a magnetic field is switched …