Biological Evolution: Unity and Diversity
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ArchaeologyNeandertals were a lot like our human ancestors
From toolmaking to healthcare, new research finds that Neandertals shared many cultural and social similarities with our human ancestors.
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EnvironmentMicroplastic pollution aids viruses and prolongs their infectivity
The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.
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FossilsLet’s learn about pterosaurs
These ancient flying reptiles were not dinosaurs, but they were close relatives.
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HumansThis ancient ivory comb reveals a wish to be free of lice
The comb bears the earliest known complete sentence written in a phonetic alphabet, researchers say.
By Freda Kreier -
ArchaeologyKing Tut’s tomb still holds secrets 100 years after its discovery
New details of Tut’s story are still coming to light. Here are three things to know on the 100th anniversary of his tomb’s discovery.
By Bruce Bower -
AnimalsSome young fruit flies’ eyeballs literally pop out of their heads
The first published photo shoot of developing Pelmatops flies shows how their eyes rise on gangly stalks in the first hour of adulthood.
By Susan Milius -
AnimalsCougars pushed out by wildfires took more risks around roads
After an intense burn in 2018 in California, big cats in the region crossed roads more often. That put them at higher risk of becoming roadkill.
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FossilsSprinting reptiles may have been forerunners of soaring pterosaurs
A new analysis of an old fossil supports the idea that winged pterosaurs evolved from swift and tiny two-legged ancestors.
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Health & MedicineShould we use a genetic weapon against mosquitoes carrying malaria?
One gene drive to eliminate malaria seems to work in the lab. Now it’s time to ask local people if they want it released in the wild.
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AnimalsSea creatures’ fishy scent protects them from deep-sea high pressures
TMAO’s water-wrangling ability protects a critter’s critical proteins — including muscle — from crushing under deep ocean pressures.
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GeneticsExamining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
By Tina Hesman Saey and Aimee Cunningham -
AnimalsLiving mysteries: This critter has 38 times more DNA than you do
The genomes of salamanders are bloated with genetic “parasites.” That extra DNA slows down their lives and strands them in perpetual childhood.
By Douglas Fox