All Stories
- Health & Medicine
Toddlers’ screen time linked to speech delays and lost sleep, but questions remain
Two new studies link handheld screen time for young children to less sleep and greater risk of expressive language delays. But the results are preliminary.
- Animals
Watch male cuttlefish fight over a female in the wild
For the first time, researchers have observed the competitive mating behaviors of the European cuttlefish in the field.
- Particle Physics
Antiproton count hints at dark matter annihilation
Antimatter in cosmic rays could be a sign of dark matter.
- Genetics
Selfish genes hide for decades in plain sight of worm geneticists
Crossing wild Hawaiian C. elegans with the familiar lab strain reveals genes that benefit themselves by making mother worms poison offspring who haven’t inherited the right stuff.
By Susan Milius - Planetary Science
Watery exoplanet’s skies suggest unexpected origin story
Compared with Neptune, HAT-P-26b’s atmosphere has few heavy elements, suggesting it formed differently than the ice giants in Earth’s solar system.
- Paleontology
Ancient whale tells tale of when baleen whales had teeth
A 36 million-year-old whale fossil bridges the gap between ancient toothy predators and modern filter-feeding baleen whales.
- Tech
New pelvic exoskeleton stops people from taking tumbles
A new exoskeleton helps people prone to falling stay on their feet.
- Animals
Why create a model of mammal defecation? Because everyone poops
Mammals that defecate in the same fashion as humans all excrete waste within the same time frame, no matter their size, a new study finds.
- Health & Medicine
Breast cancer cells spread in an already-armed mob
Source tumors may already contain the mutations that drive aggressive cancer spread.
- Health & Medicine
‘Exercise pill’ turns couch potato mice into marathoners
An experimental "exercise in a pill" increases running endurance in mice before they step foot on a treadmill.
By Laura Beil - Health & Medicine
New rules for cellular entry may aid antibiotic development
A new study lays out several rules to successfully enter gram-negative bacteria, which could lead to the development of sorely needed antibiotics.
- Earth
Ice particles shaped like lollipops fall from clouds
Small ice particles called ice-lollies, because of their lollipop-like appearance, can form in clouds.