Today’s Solutions: January 10, 2025

Science

From mathematics and AI to medicine and psychology, The Optimist Daily features the latest news on discoveries, technological advances, and breakthroughs in the world of science. Our Science section is here to engage and enlighten you.

Smell and memories

Composing a smellscape: how your brain interprets scents

Scent is the sense most commonly associated with memory. We all have a great, or a gross, smell that brings us right back to childhood and all the feelings that come with it. How does that happen, though? How does the brain interpret smells and link them to good, bad, or nuanced feelings?  A Read More...

Red and white blood cells inside blood vessels.

This test predicts blood cancer relapses in 10 seconds

It's a good thing that the field of cancer research has so many minds hard at work, inventing ingenious methods of diagnosis, prevention, and treatment, such as non-invasive MINIMA therapy using MRI scanners, or mRNA vaccines that can carry out targeted cancer therapy. Researchers from Read More...

UV lamp for sterilizing surfaces.

Simple UV-LED lights could be used to kill coronavirus and HIV

The Optimist Daily has reported on a number of inventions that use ultraviolet (UV) microorganisms' radiation as a sanitation tool, like this door handle or this mask decontamination machine. It seems lighting may be the future solution to quickly and safely zap away harmful microorganisms. A Read More...

Allergy friendly foods

How do you fix seasonal allergies? These 8 foods are a good start

Just like allergies keep coming back every year, The Optimist Daily comes back to write more on how you can handle them. There are a lot of tricks to getting ahead of your allergies or remedies for a stuffy nose, and you can even fight allergies as easily as settling in and cooking a good Read More...

Lions affection

The chemical compound of love: oxytocin turns lions into kittens

Love’s effect can sometimes be mystifying. A tender embrace from a friend or the adoring eyes of a pet can bring us back from anger or sadness at almost any time. Affection soothes the beast inside all of us, and it can even be tracked scientifically. What we feel when we experience love is Read More...

Black headphones on dark wooden background with blue and red light shining.

Is this the age of "digital drugs?"

A lot of us love a change in perspective. Whether that’s an adrenaline surge from risky behavior or someone taking a trip with magic mushrooms to explore their deeper selves, people are always coming up with new ways to shift their state of mind. The latest trend in mind-shifting isn't in taking Read More...

scientist sequencing human genome with depictions of Dan

For the first time ever, scientists sequence entire human genome

Sequencing the entirety of the human genome is an enormous undertaking that would drastically improve our understanding of ourselves, especially regarding disease and evolution. More than two decades ago, the Human Genome Project began to unravel the mysteries of the human genome, publishing its Read More...

Ancient tomb

Archaeologists examine ancient Egyptian tomb by smells

If you were asked to smell inside a sarcophagus, do you think you’d be excited? After a recent discovery in Egypt, though, more archaeologists certainly are excited and turning to smell as a viable tool to learn more about the past from what survived into the present.  Tomb of the architect and Read More...

Galaxy panoramic, star cluster and nebula shining in a milky way.

Hubble Telescope spots farthest star ever recorded

We've set a new benchmark in the world of stars: the farthest individual star ever seen to date. This one has a predicted mass at least 50 times that of our Sun and is millions of times brighter, plus, was created within the first billion years of the Big Bang. This may seem like a long time after Read More...

White gerbera under UV light.

"Invisible" UV bull's-eye is vital in attracting pollinators to flowers

Here at The Optimist Daily, we hold a special tenderness in our hearts for our planet's pollinators. Mini-beasts, like bees and butterflies, have the integral role of spreading pollen from plant-to-plant facilitating their reproduction. In return, the plants provide the insects with the delicious Read More...