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Space flight seems to be causing one specific mutation in the blood of astronauts

While not obviously dangerous, we should still monitor for this mutation.

A new pair of shoes changed the life of a special penguin

The story of Lucas the penguin and his almost magical shoes that gave him the power to walk again.

That time astronauts on the International Space Station printed beef in space

"It's about being a better alternative to factory farming."

Biotech you can taste: you can now eat cultured eel meat grown the same way as research-grade organoids

If it's good enough for brain researchers, it's good enough for my plate.

Mellow out: regular cannabis users do not see a decline in motivation or ability to feel pleasure

Countering this incorrect perception will help improve the outcome of drug-reduction campaigns.

Blue light from smartphones and computer screens may accelerate aging

Another reason to monitor your screen time.

Chinese astronauts grow rice and cress in space, on the Tiangong 1 station

More and more experiments show that food can be grown in space.

U.S. life expectancy drops sharply for the second year in a row. It's the worst decline in a century

COVID-19 was responsible for half of the steep decline -- but not all of it.

New type of dishwasher could kill bacteria in less than 30 seconds -- while also being more efficient.

Computer simulations suggest the method could be much more efficient.

This simple method prevents tooth decay while also being eco-friendly

Researchers quantified the environmental impact of three different preventive dental measures.

Going out on a limb: regrowing human limbs is possible, although we can't yet do it

Knowing it can be done and how to go about it is still a great step.

The US starts rabies vaccine program for wildlife by airdropping treat-covered vaccines in 13 states

The important goal is to prevent specific strains from spreading from state to state.

Chinese researchers create the first successful, living mammals with a fully-reconfigured genome

In essence, this is a man-made species.

Scientists grow synthetic embryos without any sperm, egg, or even a womb

This may one day make it possible to grow organs for transplant using synthetic embryo models.

A lack of sleep makes us less willing to help others -- and this could spell big trouble in the long run

Yes, you should probably sleep more.

Milk alternatives are becoming more and more popular. So how healthy are they?

Soy and pea milk stand out as healthy options.

Almost all hospital-treated COVID-19 patients still suffer symptoms one year after receiving treatment

The prevalence of Long Covid among these patients is 2-3 times higher than in the general population.

People who resemble each other may share similar DNA even though they're not related

Facial similarities were found to be linked with shared genetic variants and lifestyle traits.

Scientists make foul gut metabolite more palatable to reverse allergies in mice

Treating allergies may all be just about treating the gut.

Cheap, simple new technique developed to destroy ultra-resistant 'forever chemical' pollution

Such compounds have found their way into the bloodstreams of estimated 97% of Americans.

Scientists discover how body posture can halve the time it takes a pill to work

This is the best way to take a pill, according to science.

Medieval monks had a lot of intestinal parasites -- much more than the average person

The life of a medieval friar was tough.

Turning back time. Scientists reverse aging in human cells by 30 years

It could be a game changer in regenerative medicine.

Nutrition labels on food products could help people fight misleading marketing tactics

Could food labeling get people to eat more healthily?

Touchy-feely AI can help detect breast cancer with 96% accuracy in early tests, a stunning result

The key to fighting cancer is to detect it early. Now, artificial intelligence technology aims to help us do just that.

'Fake meat' is friendlier for the environment than animal meat, but is it healthier?

Most of us can agree new meat alternatives taste great, but are they a healthier alternative to meat?

It's better to exercise a bit every day than a lot once a week. Here's why frequency beats intensity when training

Even exercising for a minute can significantly increase muscle size and strength -- as long as you do it almost every day

Do you know what's in your weed? Researchers propose "nutritional facts panel" for marijuana products

Do you really think Lemon Haze in Colorado is the same as Lemon Haze in Washington? Think again.

Testosterone can make males "cuddly" just as well as aggressive -- it all depends on context

These are surprising findings for a hormone so often linked to aggressive and competitive behavior.

This new AI could help cure epilepsy. Here's how

The algorithm could be a game changer in epilepsy treatment.

Artificial cornea made from pig collagen gives legally blind 20/20 vision

This cheap and safe procedure could revolutionize how we treat some forms of visual impairment.

Sensory stickers bring us closer to fully-wearable, fully-convenient ultrasound investigations

Such stickers will allow for round-the-clock monitoring of internal tissues anywhere, anytime.

New synthetic molecule could finally bring immunotherapy for cancer into pill form

Besides being more convenient, the new therapy could be priced at a fraction of the current cost.

Here is why you feel tired after thinking hard

The brain has its own defensive mechanisms to prevent burnout -- and glutamate accumulation in the prefrontal cortex seems like one.

Forever chemicals seem to dramatically promote liver disease and liver cancer in humans

This is the first study to link PFAS and adverse health effects in humans.

This is what we know so far about Langya, the new virus discovered in China

It has infected at least several dozen people and scientists are now tracking it down, but thankfully this doesn't sound like a repeat of COVID-19.

Pfizer is trying to bring a Lyme disease vaccine back to market, 20 years after the last one was pulled

It would greatly help our efforts to contain Lyme disease.

Jumping spiders may sleep the same way we do, judging by their leg twitches

Human sleep is still largely a mystery. Maybe spiders can help.

Cutting calories and eating at the right time of the day may be the secret to a long life

Eating less and timed with the most active phase of the day extended the life span of mice by a whooping 35%.

Scientists combine human muscle genes into yeast cells for the first time

This offers a helpful method of studying how things like cancer develop in the human body

Men are much more likely than women to get cancer -- and it may all be due to inherent biological sex differences

It's not exactly clear why many more men than women get cancer, but it's a reality that men should be aware of and prepare accordingly.

Honeybee venom kills aggressive and resistant breast cancer cells

A compound found in bee venom destroyed 100% of the hardest-to-kill breast cancer cells in under 60 minutes.

Thousands of workers may have been exposed to toxic chemicals while fixing America's crumbling underground infrastructure

Industry insists that cured-in-place plastic pipe liners are safe, but some scientists say the installation process is under-regulated and hazardous.

Concerning 'Mind After Midnight' theory shows why you shouldn't stay up at night

Not so great news for you night owls.

Natural antioxidants can keep our skin safe from aging and sunlight when mixed into sunscreen

They work to protect our cells from damage caused by iron imbalances.

What you need to know about the monkeypox vaccines: A virologist answers your most common questions

There are two approved monkeypox vaccines in the US. Both use a related poxvirus called vaccinia to produce an immune response that protects against smallpox and monkeypox.

Scientists restore organ function in pigs even hours after death

The technology could dramatically improve the lifespan of precious organs meant for transplantation.

Digital devices could actually help improve our memory rather than impair it

Although they do help, it's important to try and memorize the most important bits of information ourselves.

A tiny or moderate amount of stress could actually help improve mental health and improve resilience

Just as long as you don't overdo it, stress can actually help.

Scientists trace the spread of cold sores back to Bronze Age kissing

Some people kissed 5,000 years ago and now we have to deal with this.