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Tuesday, March 5, 2019

Latest from Science News: A 2,000-year-old tattoo tool is the oldest in western North America

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03/05/2019

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A 2,000-year-old tattoo tool is the oldest in western North America

Mar 04 2019 4:00 PM

The artifact is made of two pigment-stained cactus spines, and has been sitting in storage since its discovery in 1972.

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Hidden ancient neutrinos may shape the patterns of galaxies

Mar 04 2019 11:00 AM

The gravitational pull of subatomic particles born in the universe's first second seem to influence how galaxies cluster into rings.

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Welfare reforms may have hurt some single moms' teenage kids

Mar 04 2019 9:00 AM

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.

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Bears that eat 'junk food' may hibernate less and age faster

Mar 04 2019 6:00 AM

Wild black bears snacking on leftovers of sugary, highly processed foods in Colorado show possible signs of faster cellular wear.

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Eating a lot of fiber could improve some cancer treatments

Mar 01 2019 12:32 PM

A high-fiber diet, which boosts the diversity of gut microbes, may make an immune therapy against skin cancer more effective.

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Science Visualized

Here's how long the periodic table's unstable elements last

Mar 01 2019 11:02 AM

Most elements on the periodic table have at least one stable form. But some don't. Here's how long those unstable members endure.

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Sleeping in on the weekend can't make up for lost sleep
Mar 01 2019 7:54 AM

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.

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Science Stats
Oceans that are warming due to climate change yield fewer fish
Feb 28 2019 2:00 PM

Warming water due to climate change is diminishing sustainable fishery yields in the world's oceans.

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News
How singing mice belt out duets
Feb 28 2019 2:00 PM

A precise timing system in the brain helps musical rodents from the cloud forests of Costa Rica sing to one another.

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Wireless patches can comfortably monitor sick babies' health
Feb 28 2019 2:00 PM

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.

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What spiders eating weird stuff tell us about complex Amazon food webs
Feb 28 2019 11:09 AM

By documenting rare events of invertebrates eating small vertebrates, scientists are shedding new light on the Amazon rainforest's intricate ecosystem.

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News in Brief
Watching hours of TV is tied to verbal memory decline in older people
Feb 28 2019 9:00 AM

The more television people age 50 and up watched, the worse they recalled a list of words in tests years later, a study finds.

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50 Years Ago
50 years ago, people thought MSG caused 'Chinese restaurant syndrome'
Feb 28 2019 7:00 AM

In the 1960s, people blamed monosodium glutamate in Chinese food for making them sick, but the claim hasn't stood up to time or science.

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This parasitic cuckoo bird shows cheaters don't always get ahead
Feb 27 2019 3:22 PM

Birds called greater anis that can slip extra eggs into other nests create a natural test of the benefits of honest parenting.

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Genes might explain why dogs can't sniff out some people under stress
Feb 27 2019 2:45 PM

Genes and stress may change a person's body odor, confusing police dogs.

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Treating mosquitoes may be a new way to fight malaria
Feb 27 2019 1:35 PM

A lab test suggests it may be possible to treat mosquitoes infected with the malaria parasite to stop disease transmission.

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