Life
- Chemistry
Teen chemist uncovers potentially harmful preservatives in pet food
Thermo Fisher JIC finalist Mackensey Wilson measured levels of a chemical called BHT in three pet food brands.
- Animals
To clear loops, Sonic the Hedgehog must hit the right speed
Most animals don’t run through loops. Sonic would need the physics behind roller coasters and race cars to clear one.
- Animals
Giant rat border agents could help put a stop to wildlife poaching
African giant pouched rats have been trained to ferret out elephant ivory, pangolin scales and more. They could be put to work preventing smuggling.
- Plants
Catapulting pollen helps this flower beat out its rivals
With explosive blasts of pollen, male Hypenia macrantha flowers remove rival pollen from hummingbird beaks before the birds reach female flowers.
- Microbes
New type of division can split this microbe into 14 cells at once
The newfound strategy seen in C. matruchotii might help oral bacteria recover lost territory after each eviction by toothbrushing.
- Plants
Are plants intelligent? It seems to depend on how you define it
Plants can do a lot of the same things animals do: communicate, learn — even remember. Now scientists want to know if that means they’re intelligent.
- Fossils
Analyze This: How big was the biggest T. rex?
Only around 80 fossil Tyrannosaurus rex skeletons have been found. They probably don’t include the biggest T. rex that ever lived.
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- Animals
To keep their pools clean, some tadpoles don’t poop for weeks
Eiffinger’s tree frog tadpoles store their solid waste in an intestinal pouch. This releases less toxic ammonia into their watery cribs.
- Plants
Insect-eating plants digest faster with a fungal friend
Insects stuck in sundews’ sticky goo break down faster when the plants host an enzyme-making fungus.
- Animals
This spider traps flashy fireflies as bait to catch related prey
When stuck in an orb weaver spider’s web, male fireflies start to blink more like female fireflies — luring in more males.
- Climate
An ancient log shows how burying wood can fight climate change
A blanket of clay soil helped the wood hold onto the carbon it had absorbed — for thousands of years.
