Uncategorized
- Archaeology
A 2,000-year-old tattoo tool is the oldest in western North America
The artifact is made of two pigment-stained cactus spines, and has been sitting in storage since its discovery in 1972.
- Cosmology
Hidden ancient neutrinos may shape the patterns of galaxies
The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.
- Science & Society
Welfare reforms may have hurt some single moms’ teenage kids
Welfare reform was meant to help the next generation, but making moms work and capping aid has led to more harm than gain, says a new study.
- Animals
Bears that eat ‘junk food’ may hibernate less and age faster
Wild black bears snacking on leftovers of sugary, highly processed foods in Colorado show possible signs of faster cellular wear.
- Life
Eating a lot of fiber could improve some cancer treatments
A high-fiber diet, which boosts the diversity of gut microbes, may make an immune therapy against skin cancer more effective.
- Chemistry
Here’s how long the periodic table’s unstable elements last
Most elements on the periodic table have at least one stable form. But some don’t. Here’s how long those unstable members endure.
- Health & Medicine
Sleeping in on the weekend can’t make up for lost sleep
Using the weekend to catch up on sleep is ineffective at making-up for lost sleep and offsetting the consequences to a person’s health.
- Health & Medicine
Wireless patches can comfortably monitor sick babies’ health
New skin sensors that wirelessly transmit health data could offer a less invasive way to keep tabs on newborns in the neonatal intensive care unit.
- Oceans
Oceans that are warming due to climate change yield fewer fish
Warming water due to climate change is diminishing sustainable fishery yields in the world’s oceans.
- Neuroscience
How singing mice belt out duets
A precise timing system in the brain helps musical rodents from the cloud forests of Costa Rica sing to one another.
- Animals
What spiders eating weird stuff tell us about complex Amazon food webs
By documenting rare events of invertebrates eating small vertebrates, scientists are shedding new light on the Amazon rainforest’s intricate ecosystem.
- Health & Medicine
Watching hours of TV is tied to verbal memory decline in older people
The more television people age 50 and up watched, the worse they recalled a list of words in tests years later, a study finds.
