All Stories by Meghan Rosen
- Animals
Snakes evolved from burrowing ancestor, new data suggest
A new X-ray analysis of inner ears is the latest to weigh in on whether modern snakes descended from a burrowing or a swimming reptile.
- Health & Medicine
Having parasites can boost fertility
Infection with parasitic worms tinkers with fertility.
- Health & Medicine
Putting the big chill on cryotherapy
Evidence is lacking for whole-body cryotherapy as a treatment for muscle soreness.
- Health & Medicine
Dropping blood pressure to 120 lowers heart woes, data confirm
Aggressive treatment to lower systolic blood pressure to 120 reduces risk of heart attack, but causes some side effects.
- Tech
Laser light turns graphene paper into a microbot
Tiny origami-inspired robot uses laser light to walks like an inchworm.
- Animals
Diagram captures microbes’ influence across animal kingdom
A network diagram of animal species shows that many microbes living in humans also make themselves at home in dogs, pigs and cattle.
- Tech
Electronic skin feels the heat, hears the sound
Electronic skin inspired by human fingertips detects texture, pressure, heat and sound.
- Neuroscience
Signs of Alzheimer’s seen in young brain’s GPS cells
Signs of Alzheimer’s can show up in the brain’s compass decades before symptoms strike.
- Paleontology
300 million-year-old giant shark swam the Texas seas
Fossil find shows oldest known ‘supershark,’ about the size of a limo, prowled the ocean 300 million years ago.
- Paleontology
New evidence weakens case against climate in woolly mammoths’ death
Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.
- Paleontology
Dimetrodon’s diet redetermined
The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.
- Health & Medicine
Elephants’ cancer-protection secret may be in the genes
An extra dose of cancer-fighting genes may be the secret to elephants’ long life spans.
