References

Latest References

An elderly man using an asthma inhaler in his bedroom

Can air purifiers help with asthma?

By Lou Mudge, Anna Gora last updated

Reference We take a closer look to see if using air purifiers helps with asthma.

Reference
Do air purifiers help with allergies? Image shows a woman holding tissues to her nose

Do air purifiers help with allergies?

By Kerry Taylor-Smith, Anna Gora last updated

REFERENCE Air purifiers can improve air quality, but do these devices help relieve allergies?

REFERENCE
The Milky Way's central region, where Sagittarius and the group of ancient stars can be found, above Telluride, Canada.

Beginner's guide to astrophotography

By Kimberley Lane last updated

Learn how to capture the night sky — tips on choosing the best camera and lens, plus advice on camera settings, choosing a good location and apps to help plan your shoot.

Space
author using the OM-1 Mark II in a hide

Beginner's guide to wildlife photography

By Kimberley Lane last updated

Master the basics with this beginners guide to wildlife photography. Find the best cameras, learn how to find your subjects, and handle changes in lighting.

Technology
Student using one of the best macbooks for students and taking notes

Best MacBooks for students 2025: Get the best Apple tech for working on the go

By Keumars Afifi-Sabet last updated

Buying Guide Looking to check out macOS? Here are the best MacBooks for students you can buy right now.

Buying Guide
A student using one of the best laptops for students in a coffee shop

Best laptops for students 2025: Get the perfect laptop for college

By Mike Jennings last updated

Buying Guide Ideal for work and entertainment, these are the best laptops for students in 2024.

Buying Guide
One of the best laptops for photo editing

Best laptops for photo editing 2025: Notebooks for designers and photographers

By Mike Jennings last updated

Buying Guide We've ranked the best photo editing laptops, from MacBooks to gaming notebooks

Buying Guide
an elephant on the savanna

Elephants: Facts about Earth's largest living land animals

By Marilyn Perkins, Alina Bradford last updated

Discover interesting facts about elephants, the highly intelligent and social animals that roam Africa and Asia.

Elephants
An octopus crawling across the bottom of the sea floor in the Mediterranean Sea

Octopuses: Facts about the 8-armed geniuses of the sea

By Patrick Pester last updated

Discover interesting facts about octopuses, an intelligent group of cephalopods with three hearts, eight arms and a reputation for causing mischief in oceans around the world.

Octopuses

Earthquakes: Facts about why the Earth moves

By Stephanie Pappas published

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Earthquakes
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