Psychology & Psychiatry

Equation predicted happiness of over 18,000 people worldwide

The happiness of over 18,000 people worldwide has been predicted by a mathematical equation developed by researchers at UCL, with results showing that moment-to-moment happiness reflects not just how well things are going, ...

Diseases, Conditions, Syndromes

Modeling the COVID-19 roller coaster

First it was alpha. Then delta. Now omicron and its alphabet soup of subvariants. In the three years since the coronavirus pandemic started, every few months or so a new strain seems to go around, only to be outdone by the ...

Psychology & Psychiatry

Blind people remember language better than sighted people do

Blind people can remember speech better than sighted people, but a person's ability to see makes no difference in how they remember sound effects, found a new study by Johns Hopkins University and the University of California, ...

Cardiology

Calculating a dangerous heartbeat

How ventricular fibrillation will behave in an individual patient can be accurately modeled and predicted using a single mathematical equation, according to Flinders University researchers.

Diseases, Conditions, Syndromes

Alternative to using race in kidney function test found

Researchers have identified an approach to remove race from equations used to estimate a person's kidney function. These equations have been criticized for potentially perpetuating racial health disparities. The findings, ...

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Equation

An equation is a mathematical statement that asserts the equality of two expressions. In modern notation, this is written by placing the expressions on either side of an equals sign (=), for example

asserts that x+3 is equal to 5. The = symbol was invented by Robert Recorde (1510–1558), who considered that nothing could be more equal than parallel straight lines with the same length.

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