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Dudeney's 120-year-old dissection puzzle solution proves optimal

In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into as few pieces as possible that will fit together to form a perfect square? Four weeks later, he presented ...

Nessie loves a sunny summer's day—how anecdotes become data

New research from the University of St Andrews has used a database of Loch Ness Monster reports to translate anecdotes into data, shedding light on statistical biases and the importance of defining the right information for ...

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Mathematics
Risk it or kick it? Research analyzes NFL coaches' risk tolerance on fourth down
Mathematics
The butterfly effect: This obscure mathematical concept has become an everyday idea, but do we have it all wrong?
Mathematics
Spanish 'running of the bulls' festival reveals crowd movements can be predictable, above a certain density
Mathematics
Kids use different math skills at work vs. school, India study shows
Mathematics
Barbecue grill approach helps researchers understand puzzling Rayleigh–Bloch waves
Mathematics
Parents' math anxiety linked to lower numeracy skills in children
Mathematics
Scientists map the mathematics behind how we create and innovate
Mathematics
Simple mathematical model predicts development of cultural structures observed in human societies
Mathematics
Art analysis: 2D multifractal tools examine Jackson Pollock's expressionism
Mathematics
Mathematical technique 'opens the black box' of AI decision-making
Mathematics
English children lag behind in geometry, but parents can help them learn through play
Mathematics
Mathematicians develop new method to forecast natural phenomena and detect early cancer development
Mathematics
Historian explains how economics research stumbled under Soviet regime, while mathematics thrived
Mathematics
How does a hula hoop master gravity? Mathematicians prove that body shape matters
Mathematics
Researcher calculates Santa's speed on Christmas Eve—and this is what it would do to Rudolph's nose
Mathematics
Algebraic geometry offers fresh solution to data center energy inefficiency
Mathematics
How prepared are we for another pandemic? Study provides mathematical insights into airborne viral transmission
Mathematics
Can deep learning techniques predict sudden state transitions in nonlinear dynamical systems?
Mathematics
String figures shed light on cultural connections and the roots of mathematical reasoning
Mathematics
How much faster is a knight than a king? A mathematical study reveals the exact ratio

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General Physics
AMoRE experiment sets new limits on neutrinoless double beta decay of ¹⁰⁰Mo
Optics & Photonics
Next-generation AI hardware: 3D photonic-electronic platform boosts efficiency and bandwidth
Veterinary medicine
Guardians of the vineyard: Canines and chemistry work to combat powdery mildew
Other
Saturday Citations: The universe doesn't care about your precious standard model
Cell & Microbiology
Dendritic spines: The key to understanding how memories are linked in time
Astronomy
Euclid opens data treasure trove, offers glimpse of deep fields
Materials Science
Researchers pioneer groundbreaking light-driven method to create key drug compounds
Plants & Animals
Experiments show gray seals can monitor their own blood oxygen levels to prevent drowning
Materials Science
Eco-friendly detergent made from wood and corn shows promise
Astronomy
Cosmic anomaly hints at frightening future for Milky Way
Optics & Photonics
Researchers capture first laser-driven, high-resolution CT scans of dense objects 
Evolution
Origin of life: How a special group of single-celled organisms laid the foundation for complex cells
Cell & Microbiology
Scientists witness living plant cells generate cellulose and form cell walls for the first time
Quantum Physics
An experimental test of the nonlocal energy alteration between two quantum memories
Plants & Animals
Two bees or not two bees? How wild bees feel the sting of honeybee competition
Social Sciences
A transition point in romantic relationships may signal the beginning of their end
General Physics
Scientists measure the spin-parity of charm baryons for the first time
Quantum Physics
Wireless terahertz cryogenic interconnect minimizes heat-to-information transfer in quantum processors
Plants & Animals
Massive, long-lived trees discovered in the Tanzanian rainforest are a new species
Evolution
Deadly bacteria have developed the ability to produce antimicrobials and wipe out competitors, scientists discover

Study: Cognitive flexibility enhances mathematical reasoning

At school or in everyday life, proportional reasoning is essential for many activities. This type of reasoning allows us to adapt the quantity of ingredients in a recipe or to calculate the distance traveled as a function ...

Study shows how moral behavior pays off in the end

Selfless behavior and cooperation cannot be taken for granted. Mohammad Salahshour of the Max Planck Institute for Mathematics in the Sciences (now at Max Planck Institute of Animal Behavior), has used a game theory-based ...

AI tool predicts when a bank should be bailed out

An artificial intelligence tool developed by researchers at UCL and Queen Mary University of London could help governments decide whether or not to bail out a bank in crisis by predicting if the intervention will save money ...