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2M9CJ0J 1940s SCATTERED PAGES FROM A ONE DAY AT A TIME FLIP DESK CALENDAR NUMBERS DAYS OF WEEK PATTERN PAPER TEXTURE - s10448 HAR001 HARS REPRESENTATION

Mathematics

This mathematical trick lets you work out the weekday of any date

A little help from Lewis Carroll will enable you to impress friends and family by calculating which day of the week any date is, says Peter Rowlett

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2WYBYF8 North America; United States; Alaska; Denali National Park; Taiga-Tundra; Winter; Natural Phenomena; Night Sky; Aurora Borealis; Northern Lights;

Space

The stargazing events to look forward to in 2025

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Fingers art of couple celebrates Christmas. Concept of man and woman during quarrel in New Year. ; Shutterstock ID 1225254964; purchase_order: -; job: -; client: -; other: -

Mind

Can psychology help avoid festive arguments?

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2G4X5CY Mature woman with arms raised doing stretching exercise during winter

Health

The science of exercise: How a workout benefits your brain

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2D7HDN2 Broken eggshells around salads to prevent slugs in summer, Pas de Calais, France

Life

Why surrounding your plants with crushed eggshells won't deter slugs

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C0TPTP Beautiful yellow sunflower macro

Mathematics

How Fibonacci numbers give us a neat hack for converting between units

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A39ET8 FR - ISERE: Moon over Col de Sarenne. Image shot 2010. Exact date unknown.

Space

How I learned to love looking at the moon – and you can too

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Young red-haired woman sitting in a cafe with friend and talking about something.

Mind

How can I help a friend who is relentlessly negative about life?

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Two friends exercising outdoors in a park on a sunny day. They are jumping with jumping rope.

Health

The science of exercise: Which activity burns the most calories?

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2R0BRR1 Potted pansy flowers on a step

Life

Why a potted plant isn't the easiest option for would-be gardeners

For nervous newbie gardeners, starting out with a single plant in a small pot is pitched as an easy win by the horticultural industry. James Wong explains why it isn't

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Mathematics

How the maths of queuing can make lines more efficient

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Space

Now is a great time to see Saturn in all its ringed glory

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Mind

I am in a rut. Is there a way to regain my zest for life?

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Chemistry

The chemistry behind making a perfect caramel sauce

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