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Red onions getting chopped.

Why does slicing onions make you cry?

By Donavyn Coffey published

Here's why you may start tearing up while slicing an onion.

Blue Pure 211+ review: image shows Blue Pure 211+ air purifier at home

Air quality

By Live Science Staff published

Live Science delivers all the air quality news, explainers and product guides so you can breathe easy.

Should you brush you tongue: image of woman brushing tongue

Oral hygiene

By Live Science Staff published

Oral hygiene is important for your overall health, and you can find all the information here on Live Science to keep your gums and teeth healthy.

An artist's interpretation of a double-stranded helix of DNA.

New study provides first evidence of non-random mutations in DNA

By Harry Baker published

A new study into genetic mutations in thale cress has found that genetic mutations are not totally random.

Signs you're in love

12 scientifically proven signs you’re in love

By Live Science Staff published

Reference Studies led by anthropologist Helen Fisher revealed that the brain's "in love" phase is a unique and well-defined period of time, and there are 13 telltale signs you're in love.

Reference
illustration of an epstein barr virus particle

The virus behind 'mono' might trigger multiple sclerosis in some

By Nicoletta Lanese published

Other factors, including genetics, also influence one's chance of developing multiple sclerosis.

9 teeth facts you probably didn't know: image shows woman smiling

9 teeth facts you probably didn't know

By India Bottomley published

REFERENCE Here are 9 teeth facts you probably didn't know, verified by dentists and compiled by Live Science.

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illustration of three coronavirus particles

Omicron's not the last variant we'll see. Will the next one be bad?

By Nicoletta Lanese published

It's difficult to predict what combination of traits such a variant might have.

Is dehumidifier water safe to drink? image shows woman emptying a dehumidifier

Is dehumidifier water safe to drink?

By Meg Walters published

Reference Recycling and reusing water is good for the planet—but is dehumidifier water safe to drink?

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The transplant heart was surgically removed from the donor pig before the surgery on the human patient; pig organs are considered suitable for transplant to humans because they are about the same size and shape.

Surgeons transplant pig's heart into dying human patient in a first

By Tom Metcalfe published

The heart from a genetically modified pig has been transplanted into a Maryland man in a last-ditch effort to save his life.

What Are Tonsil Stones? Image shows man feeling painful throat

What are tonsil stones?

By Chloe Page published

Reference What are tonsil stones? We take a look at the science behind these unusual formations.

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Resistance bands leg workout ideas: image shows woman squatting with resistance band

Resistance bands leg workout ideas: Tone up with these four simple moves

By Sam Clark published

Reference Here are four resistance bands leg workout ideas that can help with strength training, especially at home.

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How to be good at yoga: image shows woman doing a yoga pose

How to be good at yoga

By Christina Eccles published

Reference Want to know how to be good at yoga but not sure where to start? We ask the experts how to get the most from the ancient exercise

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do dehumidifiers help with allergies? image shows cat and dehumidifier

Do dehumidifiers help with allergies?

By Lawrie Jones published

Reference We answer the essential question: do dehumidifiers help with allergies?

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Here's a look at the science of flu shots. Shown here, a vial and syringe.

Flu shot facts & side effects

By Rachael Rettner published

The seasonal flu shot is a yearly vaccine that protects against the flu, or influenza. Here's what you need to know about it.

One of the cases involved exposure to a big brown bat (Eptesicus fuscus).

Rise in rabies deaths in the US sparks CDC warning

By Yasemin Saplakoglu published

Over a five-week period in the fall of 2021, three people died of rabies after contact with bats, according to a new Centers for Disease Control and Prevention report.

close up of a Muscovy duck's face

U.K.'s first human case of H5N1 avian flu detected in man with pet ducks

By Nicoletta Lanese published

Alan Gosling, 79, is reportedly feeling "fine but very lonely."

Best treadmills: Image of woman using a treadmill in her home

Best treadmills 2022

By Maddy Biddulph published

BUYING GUIDE In this comprehensive guide to the best treadmills of 2022, we look at the most popular running machines available for at-home use.

BUYING GUIDE
A test sample labeled omicron.

Will omicron wipe out delta forever?

By Stephanie Pappas published

Omicron is sweeping away the delta variant, having impacts on hospitalization and population immunity.

Which muscles are used when cycling? image shows cyclist

Which muscles are used when cycling?

By Sam Clark published

REFERENCE Knowing which muscles are used when cycling can help you achieve the maximum benefits from your rides.

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