Search Results for: Butterflies
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1,028 results
1,028 results for: Butterflies
- Life
Monarch caterpillars head-butt each other to fight for scarce food
Video experiments show that monarch caterpillars turn aggressive when there’s not enough milkweed to go around.
- Genetics
Who decides whether to use gene drives against malaria-carrying mosquitoes?
As CRISPR-based gene drives to eliminate malaria-carrying mosquitoes pass new tests, the African public will weigh in on whether to unleash them.
- Animals
Tiny crystals give a plain fish twinkling, colorful dots under light
Fishes’ flashing photonic crystals may provide inspiration for ultra-miniaturized sensors that work in a living body.
- Animals
Cicada science heats up when Brood X emerges. 2021 was no exception
Mating mobs of big, hapless, 17-year-old cicadas made for a memorable spring in the Eastern United States
- Life
How thin, delicate butterfly wings keep from overheating
Structures in butterfly wings help living tissues such as veins release more heat than the rest of the wing.
- Space
Stellar winds hint at how planetary nebulae get their stunning shapes
Observations of red giant stars reveal that planets or even other stars may influence the shape of a nebula’s cloud of dust and gas.
- Plants
Rats with poisonous hairdos live surprisingly sociable private lives
Deadly, swaggering rodents purr and snuggle when they’re with mates and young.
- Tech
Methanol fuel gives this tiny beetle bot the freedom to roam
A new robot insect uses energy-dense methanol as fuel, not batteries. It could be a blueprint for future search-and-rescue bots with long run times.
- Animals
How some superblack fish disappear into the darkness of the deep sea
Some fish that live in the ocean’s depths are superblack as a result of a special layer of light-absorbing structures in the skin.
- Life
Gene editing can make fruit flies into ‘monarch flies’
Just three molecular changes can make fruit flies insensitive to milkweed toxins.
- Space
What will astronauts need to survive the dangerous journey to Mars?
Going to Mars, astronauts will need protections from microgravity and radiation, plus miniature medical devices to diagnose problems and help handle emergencies.
- Neuroscience
Mice watching film noir show the surprising complexity of vision cells
Only about 10 percent of mice’s vision cells behaved as researchers expected they would, a study finds.
