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Do air purifiers help with bad smells?

It's well known that they can capture allergens, but do air purifiers help with bad smells? We have all the answers you need.

32,000 mph fireball spotted soaring over North Carolina

The fireball’s bright streak was captured by a neighborhood porch camera.

Should you brush your tongue?

You clean your teeth and floss your gums but should you brush your tongue as well?

Is treadmill running easier than outdoor running?

Is treadmill running easier than running outdoors? We’ve got all the answers.

Brilliant dashcam fireball videos help scientists find 3 meteorites in Slovenia

Brilliant dashcam fireball videos help scientists find 3 meteorites in Slovenia

Koala-hunting eagle terrorized Australia 25 million years ago

A newly-identified eagle fossil is the oldest ever found in Australia.

'Russian doll' set of stomach-bursting parasites released inside butterfly on remote Finnish island

Despite the remoteness of the island, the parasites are even better than their hosts at surviving — a feat researchers believe was accomplished through superior flying skills.

Medieval Hebrew document could reveal why Dead Sea Scrolls were found in Qumran

An ancient Hebrew document created more than 1,000 years ago and stashed away in Cairo may unlock a secret of the Dead Sea Scrolls.

How radioactive is the human body?

Radiation is all around us, but how does it get into our bodies?

3 Egyptian mummy faces revealed in stunning reconstruction

Using genetic data, a forensic artist rebuilt the faces of three ancient Egyptian mummies, revealing each individual's likely appearance as a 25-year-old.

Scientists pinpoint age of molten 'Einstein ring'

New science from a stunning 2020 Hubble image illuminates the back story behind a shining loop of light.

Congress to NASA: What comes after the International Space Station?

The specter of NASA's 30-year space shuttle program loomed large as congressional representatives sought details about the agency's plans for orbital spaceflight after the International Space Station.

What were the largest predators in North America?

Here are the largest predators ever to have lived in North America.

Viruses found in Laos bats are closest known relatives to SARS-CoV-2

Researchers have discovered coronaviruses lurking in Laotian bats that appear to be the closest known relatives to SARS-CoV-2, the virus that causes COVID-19, found to date, according to news reports.

Half of unvaccinated workers say they'd rather quit than get a shot

While surveys have shown a large share of unvaccinated workers threatening to quit over a mandate, the reality is that companies with mandates have generally seen less than 1% leave rather than get a shot.

Art project creates 'human-alien hybrids' with meteorite-infused water

The water flowing from a medieval fountain in the Italian village of Fontecchio bubbles with extraterrestrial effervescence.

Drought in the US Southwest is worst in recorded history

The Southwestern United States is experiencing the worst drought in the region's history, a new NOAA report finds.

Which came first: Snake fangs or venom?

Snakes have evolved highly adapted fangs that act as a delivery system for toxins.

Are exercise bikes good cardio?

Are exercise bikes good cardio? We find out if you can pedal your way to health and fitness.

Is the treadmill good for losing weight?

Yes, it's handy for running indoors when the weather is poor, and keeping fit, but can your treadmill help you lose weight?

Can dehumidifiers help with snoring?

Can dehumidifiers help with snoring and improve your sleep quality?

Recumbent bikes vs upright bikes: What's the difference?

We break down the main differences when it comes to recumbent bikes vs upright bikes and the benefits they can bring to exercise.

Air purifier vs essential oil diffuser: What's the difference?

Air purifier vs essential oil diffuser: the lowdown on each one.

Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent

Cave explorers from Oman have become the first people to fully explore the infamous 'Well of Hell' sinkhole in Yemen.

Is insomnia a sign of pregnancy?

Is insomnia a sign of pregnancy? We asked the experts for their advice.

What is the Air Quality Index?

What is the air quality index and how can you measure it at home? We’ve got all the information you need.

Even mild COVID-19 can shrink the brain, preliminary research finds

Reduced brain volume in people who have experienced COVID-19 resembles brain changes typically seen in older adults. The implications of these findings are not yet clear.

Scientists behind tech in mRNA vaccines snag 2nd prestigious prize — is a Nobel next?

The scientists recently won one of this year's $3 million Breakthrough Prizes, as well.

'Grandma' killer whale missing from pod, feared dead

One of the Southern Resident orcas, a 47-year-old female known as L47, hasn't been seen by census takers since February.

Ritualistic artifacts found at 'Temple of the Pharaohs' in Egypt

Archaeologists excavating a temple at the ancient city of Buto, about 59 miles (95 kilometers) east of Alexandria, in Egypt, have found 2,700-year-old tools and sculptures that were used in rituals for Hathor, the goddess of the sky.

La Palma volcano eruption's infernal beauty visible from space (Photos)

New astronaut and satellite images of an active volcano on the island of La Palma reveal the frightening beauty of the eruption, as well as its dangerous proximity to humans.

Are air purifiers safe for pets?

Air quality affects our furry friends as well as us but are air purifiers safe for pets?

Peloton vs Echelon: Which exercise bike is better?

Peloton vs Echelon: everything you need to know in order to pick the right exercise bike for your home.

Sick building syndrome: what to look out for

Discover the causes of sick building syndrome and how to manage it.

How to run faster

We dig into the science around how to run faster so you can get the most from your runs.

Earliest conclusive evidence found of humans in the New World

Fossilized human footprints found in New Mexico reveal that people dwelled in the Americas during the last ice age's peak — conclusive proof of early migration to the New World.

What to eat before a run

Choosing what to eat before a run can confuse even the biggest fitness fan. Experts reveal what you need to fuel up on to get the most from your run.

Astronomers discover enormous 'cavity' in the Milky Way being masked by a cosmic illusion

Astronomers discover that two large clouds of gas in the Taurus and Perseus constellations are separated by a 500 light-year-long 'cavity', thanks to an ancient supernova.

Astrophotographers capture stunning views of the night sky (Photos)

Here's a look at stunning astronomy images from the Royal Observatory Greenwich's Astronomy Photographer of the Year competition.
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