MS-LS4-2
Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.
-
TechArtificial intelligence helped design a new type of battery
Supercomputing and AI cut the early discovery steps from decades to just 80 hours. The process led to a new solid electrolyte.
-
LifeBacterial fossils exhibit earliest hints of photosynthesis
Microscopic fossils from Australia suggest that some bacteria evolved structures for oxygen-producing photosynthesis by 1.78 billion years ago.
-
AnimalsA newfound type of hedgehog is small, dark and adorable
At first, this hedgehog was mistaken for a lookalike relative. But its teeth, skull shape and DNA confirmed it as a new species.
-
AnimalsHorned lizards and snakes tend to ambush their prey
The reptiles’ horns could help or hinder during foraging, depending on how they hunt. This might be why horns evolved in some species and not others.
By Jake Buehler -
FossilsT. rex may have hidden its teeth behind lips
Dinosaurs like Tyrannosaurus have long been portrayed with their big teeth bared. But new research suggests this wasn’t so.
By Jake Buehler -
FossilsAncient jellyfish? Upside down this one looks like something else
A new look at an ancient sea animal called Essexella suggests it may have been a type of burrowing sea anemone, not a floating jelly.
By Meghan Rosen -
These lemurs take nose-picking to a new level
A nose-picking aye-aye’s spindly middle digit probably pokes all the way into the back of the throat, CT scans show.
By Maria Temming and JoAnna Wendel -
AnimalsA love of small mammals drives this scientist
Alexis Mychajliw’s science is driven by her love of animals. She now looks to tar pits and fossilized poop to understand ancient ecosystems.
-
HumansLet’s learn about Neandertals
Neandertals are an extinct species closely related to modern humans. They made tools and jewelry, controlled fires and cared for their sick.
-
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.
-
FossilsLet’s learn about pterosaurs
These ancient flying reptiles were not dinosaurs, but they were close relatives.
-
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.