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Math tutorial for composing two functions

Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of ...
Nature

How an exercise-activated enzyme helps to keep the brain young

Exercise prevents brain ageing and memory loss by strengthening the blood–brain barrier, the structure that keeps harmful substances out of the brain 1. Gregor Bieri at the University of California, ...
Daily Mail

Apple Martin reveals her 'spots and blemishes' as she goes makeup free for beauty tutorial after confessing to getting lip fillers aged 18

Being the daughter of Hollywood and rock royalty might set her apart from other students, but Apple Martin has confirmed she has the same problems as her classmates. The 21-year old is currently is ...
Game Rant

How to Befriend Hitmonchan and Learn Rock Smash in Pokopia

Greysun is the Lead Guides Editor at GameRant, where he oversees game help coverage for everything from the biggest AAA releases to standout indie and live-service titles. Professionally, Greysun has ...
BMJ

Effect of anticipation during unknown or unexpected exercise duration on rating of perceived exertion, affect, and physiological function

2 University of Cape Town, Research Unit for Exercise Science and Sports Medicine, Newlands, South Africa Correspondence to: Professor St Clair Gibson University of Cape Town, Research Unit for ...
Everyday Health

How to Become More Flexible and Why It’s Important

Bend down and touch your toes. Touching your toes, like all other bend-and-hold moves, requires our muscles to stretch. “Flexibility is the amount of stretch that a given muscle allows,” explains ...