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Tortoise-studying teen takes top Broadcom prize
Florida 8th-grader River Grace took top honors in a STEM competition, with original research on the “dancing” Madagascar tortoises. What did he find out about the tortoise’s strange swaying ritual?
- Space
Bon voyage, Voyager 1
A spacecraft launched more than three decades ago has entered the space between stars.
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- Microbes
Mystery microbes of the sea
Biologists find archaea a true curiosity. They make up one of life’s three main branches. The two better known branches are bacteria and eukaryotes (u KARE ee oatz). That last branch includes animals, plants and fungi. But archaea have remained mysterious. Very little is known about them. In fact, their unique status wasn’t even recognized until relatively recently, in 1977.
- Tech
A squishy speaker
Researchers have unveiled a see-through speaker that conducts electricity, is elastic like skin and vibrates like Jell-O.
- Brain
Age-old fears perk up baby’s ears
Kids start paying attention to scary sounds when only a few months old.
- Planets
Seeing the moon’s water
Rocky details of our moon can be gleaned without the aid of visiting astronauts. The latest example: An orbiting spacecraft may have just spotted water locked within surface rocks.
- Life
Building an almost-brain
Special cells can weave themselves together into blobs that, under a microscope, look a lot like the brain tissue in a developing fetus. You might think of these cellular masses as “brains-under-development.” Madeline Lancaster and Jürgen Knoblich offer a more technical name for them: “cerebral organoids.”
