Strange yellow glass found in Libyan desert may have formed from lost meteor impact
A strange type of glass that was discovered in 1933 in the Libyan desert may come from a meteorite, an analysis shows, but impact crater is still missing.
Health
Kids under 5 with HIV are dying at high rates. Here's why.
Among people on HIV meds, young children are the likeliest to die, often due to late diagnosis or treatment interruptions.
Animals
We finally know how tardigrades mate
Researchers have discovered the first evidence that male tardigrades can find females by scent.
Human Behavior
'Yeti hair' found in Himalayas is actually from a horse, BBC series reveals
DNA from a supposed Abominable Snowman actually came from a horse, but that doesn't mean stories of the Yeti passed on by local people aren't important.
Physics & Mathematics
Electricity flows like water in 'strange metals,' and physicists don't know why
A weird phenomenon in which electricity flows like water was spotted in a nanowire made of "strange metal" — a bizarre metal phase that has stumped physicists for 40 years.
Chemistry
Why does ice float?
Why does ice float in water, instead of sinking to the bottom? It has to do with water's density and molecular structure.
Tech
Scientists uncover the secret to building Star Wars-style laser weapons — but don't worry, we won't have a Death Star anytime soon
Today's infrared lasers are only powerful enough to disable aerial targets, but scientists now have the keys to building high-powered laser weaponry that can 'melt' distant targets.
