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Study: Ants are “immune” to traffic jams

Study: Ants are “immune” to traffic jams

The ants go marching — Unlike self-interested humans, ants have a common goal: the colony's survival. Jennifer Ouellette - Oct 24, 2019 12:25 am UTC Enlarge / Black ants marching along the stem of a leaf. Unlike humans, ants don't experience traffic jams, even at high densities.Ants are notoriously much better than humans at organizing…

Study shows it is impossible for an individual to day trade stocks for a...

16 Pages Posted: 22 Jul 2019 Last revised: 22 Aug 2019 Date Written: August 14, 2019 Abstract We show that it is virtually impossible for an individual to day trade for a living, contrary to what course providers claim. We observe all individuals who began to day trade between 2013 and 2015 in the Brazilian…
Study finds drivers are clueless about what driver assistance systems can (and can’t) do

Study finds drivers are clueless about what driver assistance systems can (and can’t) do

Automakers like Audi, BMW, GM’s Cadillac, Nissan and Tesla have advanced driver assistance systems that are robust enough to take the sting out of that daily highway commute by handling some driving tasks. The problem: Drivers don’t understand the limitations of these systems, according to two new studies released Thursday by Insurance Institute for Highway…
Study suggests that e-scooter fleets aren’t as green as they seem

Study suggests that e-scooter fleets aren’t as green as they seem

The researchers looked at not only emissions producing by people riding scooters, but also the environmental impact of the materials used in the manufacture of the vehicles and in the shipping and collection of them as well. The amount of electricity used to recharge the scooters was minimal, but what did use a lot of…
Meta-analysis study indicates we only publish positive results

Meta-analysis study indicates we only publish positive results

So meta — Meta-analyses will only produce more reliable results if the studies are good. John Timmer - Dec 29, 2019 2:15 pm UTC Andrew Brooks | Getty ImagesWhile science as a whole has produced remarkably reliable answers to a lot of questions, it does so despite the fact that any individual study may not…
Study identifies main culprit behind lithium metal battery failure

Study identifies main culprit behind lithium metal battery failure

Chengcheng Fang uses a technique that UC San Diego researchers invented to quantify inactive lithium. Photos by David Baillot/UC San Diego Jacobs School of Engineering San Diego, Calif., Aug. 21, 2019 -- A research team led by the University of California San Diego has discovered the root cause of why lithium metal batteries fail—bits of lithium metal…
A Study Exposes the Health Risks of Gene-Editing Human Embryos

A Study Exposes the Health Risks of Gene-Editing Human Embryos

Last year, a Chinese scientist tried to give two babies a mutation to protect them from HIV. But that mutation also seems to shave years off people's lives.Kin Cheung/APA missing chunk of DNA, 32 base pairs long and smack in the middle of the CCR5 gene, might be the most studied mutation in human history.…
Study concludes 33,000-year-old-skull shows signs of blunt force trauma

Study concludes 33,000-year-old-skull shows signs of blunt force trauma

A paleolithic cold case — The killer was probably left-handed and used a club to administer the fatal blow. Jennifer Ouellette - Jul 6, 2019 6:00 pm UTC Enlarge / Right lateral view of the Cioclovina calvaria exhibiting a large depressed fracture. A new paper concludes this is evidence of fatal blunt force trauma.Kranoti et…
Study may explain how infections reduce autism symptoms

Study may explain how infections reduce autism symptoms

For many years, some parents have noticed that their autistic children’s behavioral symptoms diminished when they had a fever. This phenomenon has been documented in at least two large-scale studies over the past 15 years, but it was unclear why fever would have such an effect. A new study from MIT and Harvard Medical School…
A New Study Casts Doubt on ‘Gaming Disorder’ Diagnoses

A New Study Casts Doubt on ‘Gaming Disorder’ Diagnoses

Since the World Health Organization proposed new diagnoses for "hazardous gaming" and "gaming disorder" last year, there's been an ongoing scientific debate about which way the causation for these issues really goes. Does an excessive or addictive relationship with gaming actually cause psychological problems, or are people with existing psychological problems simply more likely to…

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Cortana wants to be your personal executive assistant and read your...

Only a few years ago, Microsoft hoped that Cortana could become a viable competitor to the Google Assistant, Alexa and Siri . Over time, as Cortana failed to make a dent in the marketplace (do you ever remember that Cortana is built into your Windows 10 machine?), the company’s ambitions shrunk a bit. Today, Microsoft…

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