Biological Evolution: Unity and Diversity
-
HumansThis archeologist reconstructs the past with animal bones
Tagging along with her mom paved the way for her career as an archeologist, Pamela Akuku says. She now studies how ancient humans modified animal bones.
-
OceansHow would a mermaid sound underwater?
Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.
-
FossilsThis bizarre ancient predator snagged soft prey
Scientists are rethinking how this extinct creature used the spiky limbs sticking out of its face to hunt.
By Nikk Ogasa -
AnimalsMegalodons may have become megahunters by running hot
O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.
-
AnimalsExplainer: What is animal domestication?
The difference between a dog and a wolf isn’t looks or genes or even behavior. It’s the relationship these animals have with people.
-
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 -
PsychologyProcrastination may hurt your health — but you can change that
Scientists have linked procrastination to mental and physical health problems. But don’t be too hard on yourself — there are steps you can take.
By Meghan Rosen -
Health & MedicineNew patch might replace some finger-prick testing of blood sugar
A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.
-
FossilsOcean life may have bounced back after the ‘Great Dying’
Marine ecosystems may have been back in action just a million years after the most severe extinction event known.
By Nikk Ogasa -
AnimalsPokémon ‘evolution’ looks more like metamorphosis
Pokémon “evolve” into larger, more powerful forms within seconds, but this evolution more closely resembles another biological process — metamorphosis.
-
AnimalsSleeping glass frogs go into stealth mode by hiding red blood cells
Glass frogs snoozing among leaves blend in by hiding almost all their red blood cells in their liver.
By Susan Milius