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Mathematics news

New study improves 'crowd wisdom' estimates

In 1907, a statistician named Francis Galton recorded the entries from a weight-judging competition as people guessed the weight of an ox. Galton analyzed hundreds of estimates and found that while individual guesses varied ...

dateApr 18, 2018 in Mathematics
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The genius at Guinness and his statistical legacy

This St Patrick's Day, revellers around the world will crowd the streets seeking one of Ireland's national drinks: a pint of Guinness. But besides this tasty stout, one of the most fundamental and commonly used tools of science ...

dateMar 16, 2018 in Mathematics
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A model for autoignition in turbulent jets

Jets are rapid streams of liquids or gases that forcefully shoot into a surrounding medium. When ignitable substances are involved, combustion—rapid chemical reactions that result in heat and light—can occur. Combustion ...

dateMar 09, 2018 in Mathematics
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A newly discovered prime number makes its debut

On December 26, 2017, J. Pace, G. Woltman, S. Kurowski, A. Blosser, and their co-authors announced the discovery of a new prime number: 2⁷⁷²³²⁹¹⁷-1. It's an excellent opportunity to take a small tour through the ...

dateJan 31, 2018 in Mathematics
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How Facebook could stop a disease outbreak

Facebook accounts and telephone records can be used to pinpoint the best individuals to vaccinate to stop a disease outbreak in its tracks, researchers said Wednesday.

Randomness a key in spread of disease, other 'evil'

An unfortunate church dinner more than 100 years ago did more than just spread typhoid fever to scores of Californians. It led theorists on a quest to understand why many diseases - including typhoid, measles, polio, malaria, ...

Maths for midges that pull 10g

Midges move with ferocious randomness, frequently subjecting themselves to accelerations of more than 10g, well beyond the limit of fighter pilots, as they duck and dive in swarms that still retain an almost paradoxical cohesiveness ...

Mathematical model reveals solution to sloshing coffee

Americans drink an average of 3.1 cups of coffee per day; for many people, the popular beverage is a morning necessity. When carrying a liquid, common sense says to walk slowly and refrain from overfilling the container. ...

Mathematicians crack 44-year-old problem

Israel Institute of Technology and Alexandr Polyanskii from the Moscow Institute of Physics and Technology (MIPT) have proved László Fejes Tóth's zone conjecture. Formulated in 1973, it says that if a unit sphere is completely ...

Mathematical model mimics melanoma

Cancer cells' ability to tolerate crowded conditions may be one key to understanding tumor growth and formation, according to a mathematical model that has been applied to cancer cell growth for the first time. The model ...

How to cut your lawn for grasshoppers

Picture a grasshopper landing randomly on a lawn of fixed area. If it then jumps a certain distance in a random direction, what shape should the lawn be to maximise the chance that the grasshopper stays on the lawn after ...

New paper answers causation conundrum

In a new paper published in a special issue of the Philosophical Transactions of the Royal Society A, SFI Professor Jessica Flack offers a practical answer to one of the most significant, and most confused questions in evolutionary ...

China auto show highlights industry's electric ambitions
After Facebook scrutiny, is Google next?
Is dark matter made of primordial black holes?
Muons spin tales of undiscovered particles
New theory shows how strain makes for better catalysts
Archaeologists discover Cornish barrow site
Unveiling the secrets of the Milky Way galaxy
Single-cell database to propel biological studies
Where is the universe's missing matter?
Atoms may hum a tune from grand cosmic symphony

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