ScienceNews: Latest Headlines, 29 Jan 2019

Welcome to the Tuesday edition of “Hawaii Science Digest”.  This Hawaii Island blog focuses on science, technology, medicine, health, the environment, cyber security, and artificial intelligence (AI).  Views expressed in this science news summary are those of the reporters and correspondents.  Content provided by the current issue of “ScienceNews”–the official publication of the “Society for Science & the Public”.

Accessed on 29 January 2019, 1625 UTC.

Source:

http://view.societyforscience-email.com/?qs=d89d854494628dd3109a3d5f941635c5e4309ac36188302b93db91f4b057cbed609ffcd440a424b1e6a41baad8a3bed77696ff4790dddb573220605287b98d6b1e9f0cb2dc9f6da3

Please click link or scroll down to read your selections.

Latest Headlines

01/29/2019

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NEWS

Earth’s core may have hardened just in time to save its magnetic field

Jan 28 2019 3:02 PM

Earth’s inner core began to solidify about 565 million years ago – just in time to prevent the collapse of the planet’s magnetic field, a study finds.

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THE SCIENCE LIFE

Why modern javelin throwers hurled Neandertal spears at hay bales

Jan 28 2019 1:51 PM

A sporting event with replica weapons suggests that Neandertals’ spears may have been made for throwing, not just stabbing.

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SCIENCE VISUALIZED

How light-farming chloroplasts morph into defensive warriors

Jan 28 2019 8:00 AM

Researchers now know which protein triggers light-harvesting plant chloroplasts to turn into cell defenders when a pathogen attacks.

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SOAPBOX

It’s time to start taking the search for E.T. seriously, astronomers say

Jan 28 2019 6:00 AM

Astronomers are hoping to make looking for alien technology an official science goal of NASA.

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FEATURE

Vitamin D supplements aren’t living up to their hype

Jan 27 2019 6:00 AM

Once seen as a supplement with a long list of benefits, vitamin D’s glow may be dimming.

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NEWS

Dogs may have helped ancient Middle Easterners hunt small game

Jan 25 2019 9:56 AM

Jordanian finds point to pooch-aided hunting of small prey around 11,500 years ago, offering new clues into dog domestication in the Middle East.

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More Recent Headlines
NEWS

Male birds’ sexy songs may not advertise their brains after all

JAN 25 2019 7:00 AM

A biologist backs off an idea he studied for years that the mastery of birdsong is a sign of bird smarts.

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NEWS

Lack of sleep is tied to increases in two Alzheimer’s proteins

JAN 24 2019 2:17 PM

In people and mice deprived of sleep, researchers found an increase in tau, a protein involved in Alzheimer’s disease, in the fluid bathing the brain.

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NEWS

Rocking puts adults to sleep faster and makes slumber deeper

JAN 24 2019 11:00 AM

People sleep better when their beds are gently rocked, a small study finds.

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HOW BIZARRE

Tiny eyes make a bizarre, ancient platypus-like reptile even weirder

JAN 24 2019 9:00 AM

An ancient oddball marine reptile had teeny-tiny eyes, suggesting it probably used senses other than sight to catch food.

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50 YEARS AGO

50 years ago, scientists tried to control earthquakes with earthquakes

JAN 24 2019 7:00 AM

In the 1960s, researchers proposed preventing a big earthquake by creating smaller ones. That hasn’t quite worked out.

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NEWS IN BRIEF

Young emperor penguins brave icy, winter waters in their first year

JAN 23 2019 5:07 PM

Young emperor penguins learn survival skills on their own, including how to navigate Antarctica’s icy winter ocean.

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NEWS

A CRISPR gene drive for mice is one step closer to reality

JAN 23 2019 1:17 PM

Researchers have made progress toward creating a gene drive for mice in the lab. Such genetic cut-and-paste machines have yet to be made for mammals.

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NEWS

Ordinary cameras can now photograph out-of-sight objects

JAN 23 2019 1:00 PM

Thanks to a new photo-analyzing computer program, a photographer’s line of sight no longer has to be a straight shot.

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NEWS

The cerebellum may do a lot more than just coordinate movement

JAN 23 2019 7:00 AM

A study in mice finds that the cerebellum helps control social behavior, a result that has implications for autism and schizophrenia.

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SCIENCE STATS

Ring ripples reveal how long a day lasts on Saturn

JAN 22 2019 4:59 PM

Clues in Saturn’s rings divulge the planet’s rotation rate: 10 hours, 33 minutes, 38 seconds.

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For the latest trends in science and technology, please visit this blog daily.

Until next time,

Russ Roberts

https://hawaiidigest.science.blog

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