Mind-Blowing Optical Illusion: Can You Spot the Hidden Horse in This Picture?

There’s a reason optical illusions are so popular around the world.

Let’s face it, who doesn’t like having a play around with perception? Who doesn’t like to be frustratingly mystified when they can’t see something others can with ease?

From time to time, we stumble across puzzles that truly leave us stumped, and part of the fun is then sharing it with others to see who can – for lack of better words – crack the code.

Well, one such image has surfaced on the web … one that has people busting their brains and scratching their scalps for an answer. See if you’re one of the lucky few who can see what most people can’t.

The picture above is a classic illusion; one that at first glance is as confusing as it is difficult to decipher. Of course, the great thing about such optical tricks is that once you’ve solved them, you can’t be fooled again.

The image in question hides an image within an image. So, when you look at it, what do you see?

Do you see a frog? Do you see a horse? Do you see both?

If it’s one of the first two, then we have something to tell you. Both are in the image, but that doesn’t mean you’ll be able to make them both out.

YouTube / Life Stories Update

The horse
Still don’t see it? OK, we’ll give you a hint.

The image doesn’t contain an entire horse, just the head and neck.

Found if yet? Still no?

Right … have a look over by the lily pad – it has a rather odd texture, wouldn’t you agree?

Still haven’t found it? Well … the frog’s body is the horses head. Bear that in mind and try again. Good luck!

Did you see both the horse and the frog without needing help?

If you’ve managed to see both, share this article on Facebook and challenge your friends and family to a bit of fun!
Almost everyone sees the frog in the image … but finding the horse is where things get tricky. Have a closer look.

We’ve All Waited for It: Scientists Created a Drug That Can Help Regrow Lost Teeth

The tooth fairy is a welcome guest for any child who has lost a tooth. Not only will the fairy leave a small gift under the child’s pillow, but they be assured of a replacement tooth in a few months. Unfortunately, the scenario is quite different for adults grappling with a loss of teeth. Luckily, there may be some hope thanks to a new study performed by scientists at Kyoto University and the University of Fukui.

A dental breakthrough

While the typical adult mouth houses 32 teeth, approximately 1% of the population exhibits variations of them, either possessing more or fewer teeth due to congenital conditions. Researchers have delved into the genetic factors behind cases of excessive teeth, seeking valuable insights into the potential regeneration of teeth in adults. This study is the first to show that monoclonal antibodies can help regrow teeth. It suggests a new way to treat a dental problem that currently requires implants and other artificial solutions.

A bit of science

The research team disclosed that an antibody targeting a specific gene, known as uterine sensitization-associated gene-1 (USAG-1), can induce tooth development in mice affected by tooth agenesis, a congenital condition. The findings were published in the journal, Science Advances.

As per Katsu Takahashi, a senior lecturer at the Kyoto University Graduate School of Medicine and one of the principal contributors to the study, the essential molecules crucial for the development of teeth have already been pinpointed. “The morphogenesis of individual teeth depends on the interactions of several molecules including BMP, or bone morphogenetic protein, and Wnt signaling,” says Takahashi.

On April 13, 2021, the University of Kyoto posted its first pic of newly-grown teeth in mice.

BMP and Wnt are involved in more than just tooth development; they affect the growth of organs and tissues early in the body’s development. Because drugs affecting them directly might have broad side effects, scientists are cautious. To find a potentially safer method, researchers focused on the gene USAG-1, thinking that aiming at factors countering BMP and Wnt specifically in tooth development could be more precise.

“We knew that suppressing USAG-1 benefits tooth growth. What we did not know was whether it would be enough,” added Takahashi.

The first results

Scientists looked at how different monoclonal antibodies affect USAG-1. Monoclonal antibodies are often used to treat things like cancer and arthritis and for making vaccines. Tests with this antibody showed that BMP signaling is crucial for deciding the number of teeth in mice. Also, just one treatment was enough to grow a whole tooth. Further tests confirmed these positive results in ferrets too.

“Ferrets are diphyodont animals with similar dental patterns to humans. Our next plan is to test the antibodies on other animals, such as pigs and dogs,” explained Takahashi.

Fully regrown frontal teeth in ferrets

The next steps

Now, scientists are going to test the drug on healthy adults. If that goes well, the team plans to try it on kids aged 2 to 6 with a rare tooth problem called anodontiaa genetic disorder defined as the absence of all teeth. These kids will get one shot of the drug to see if it makes their teeth grow. If everything works out, the medicine might be approved by 2030.

Takahashi sees the new medicine as an additional choice for individuals who are missing some or all of their teeth.

“The idea of growing new teeth is every dentist’s dream,” Takahashi told the Japanese newspaper, The Mainichi in June this year. “I’ve been working on this since I was a graduate student. I was confident I’d be able to make it happen.”

So hopefully, by the year 2030, humans will get a chance to have their third generation of teeth grown and say goodbye to implants. Until then, make sure to keep your teeth strong and healthy — this article will help you with that.

Preview photo credit KyotoU_News / Twitter

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