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Best rowing machines: Woman using a rowing machine

Best rowing machines 2022: Top picks from NordicTrack, ProForm, Hydrow and more

By Patricia Carswell published

Buying Guide Here's our round-up of the best rowing machines for 2022, with picks from NordicTrack, ProForm, Hydrow and others.

Buying Guide
A close-up of an eye.

Your eyes may reveal your true biological age

By Yasemin Saplakoglu published

By examining a person’s eyes, doctors might one day be able to predict that person's risk of early death, according to a new study.

Ultrasounds can offer gender predictions after 18 week

Gender prediction: Am I having a boy or girl?

By Cari Nierenberg, Scott Dutfield published

Reference A sonogram, ultrasound scan and blood test can offer gender predictions

Reference
A man receiving a vaccine.

Will we need more COVID-19 boosters to end the pandemic?

By Jocelyn Solis-Moreira published

Will the pandemic ever end? And will we need more boosters to enter the endemic phase of transmission?

an illustration of a G-Quadruplex, a type of weird knot DNA can fold itself into

Bizarre knotted DNA structures linked to cancer in mice

By Nicoletta Lanese published

Missing enzymes may cause troublesome knots to appear in DNA.

close-up of woman's hand while she receives a blood sugar test

COVID-19 may trigger diabetes by causing fat cells to go haywire

By Nicoletta Lanese published

The coronavirus may cause fat cells to malfunction.

photo shows gloved hands placing a pig kidney into a human recipient

Double pig kidney transplant successfully performed in brain-dead patient

By Nicoletta Lanese published

The experiment was intended to assess the safety of such transplants, prior to them being tested in clinical trials.

A man measures his blood sugar using a blood glucose monitor.

What is normal blood sugar?

By Elizabeth Palermo, Natalie Grover published

Blood sugar, or glucose, is an important source of energy and provides nutrients to your body's organs, muscles and nervous system.

A girl looks at plants in a test tube for a science experiment. What's her scientific hypothesis?

What is a scientific hypothesis?

By Alina Bradford published

A scientific hypothesis is a tentative, testable explanation for a phenomenon in the natural world.

Signs of labor: A pregnant woman holds her belly during a contraction

Signs of labor: 6 clues baby is coming soon

By Cari Nierenberg, Ashley P. Taylor, Ailsa Harvey published

Reference Every labor story is different, but there are definitely signs that can let you know if you are in the early stages of labor.

Reference
illustration of several bacteriophages (viruses) on a bacterial cell

Viruses unleashed into a woman's wound to slay superbug in her leg

By Nicoletta Lanese published

The viruses were bacteriophages, meaning viruses that infect bacteria.

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.

A medical worker administering a vaccine to a patient.

You got omicron. Should you still get a booster?

By Jocelyn Solis-Moreira published

If you've had omicron, should you get a booster, and if so, how long should you wait after the infection has passed?

Urevo Foldi 1 Folding Treadmill review: image shows woman using Urevo Foldi 1 Folding Treadmill

Urevo Foldi 1 Folding Treadmill review

By Maddy Biddulph published

Review The Urevo Foldi 1 Folding Treadmill is a basic running machine at a friendly price point that is suitable for all fitness levels.

Review
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.

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.

REFERENCE