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.
Adding less salt to your food can add years to your life
In some cultures, it is considered polite not to season your food at a restaurant or at a friend’s home. You eat it the way that the chef prepared the dish. Not only is this showing respect to the chef, but it is also healthier for you. A recent study of 500,000 middle-aged Britons showed Read More...
The secret to our species' success? Our grandparents
The long-standing theory of evolution has always been based on natural selection: that traits are favored to promote reproductive success. This makes sense why harmful mutations and diseases appear much later in life, with our bodies more likely to degenerate when we are no longer fertile. This is Read More...
UK scientists plan to use contraceptives to curb invasive gray squirrels
In the late 19th century, gray squirrels were introduced to the United Kingdom from the United States. Since then, the gray squirrel population has exploded in the UK to the detriment of the county’s woodlands. These squirrels strip the bark of trees to get at the sap beneath, and British forests Read More...
Largest number of fin whales seen feeding together in over 50 years
Fin whales are the second-largest in the world, growing up to 85 feet (26 m) long and 160,000 pounds (72.3 metric tons). In 1976, the numbers of these magnificent giants in the Antarctic were dangerously low, caused by human commercial hunting practices. This caused a ban on commercial whaling to Read More...
The time has almost come for vegan lab-grown salmon filets to hit the market
Over the past few years, there’s been a lot of buzz around meat alternatives—lab-grown meat alternatives that are— that will help those who don’t want to sacrifice the taste and “mouth feel” of real animal products ease into a more sustainable, eco-friendly, and a plant-based Read More...
This UK-based project maps England’s hidden ancient trees
An impressive project taken up by researchers at the University of Nottingham is revealing the secret hiding places of England’s ancient and veteran trees—and it turns out that the country is hosting ten times as many as experts had thought. Conservationists compare the researcher’s Read More...
This 30-minute training can help teenagers’ response to stress
Many successful people live by the expression “in every tragedy, there is an opportunity.” It turns out that the same kind of thinking can apply to the smallest of moments and to the youngest of people. A new 30-minute online training session can reduce teenagers’ stress by teaching them Read More...
Roman jars reveal the secrets of ancient winemaking
Archaeologists are still putting the full story of human history together. From the discovery of a Viking shipyard in Sweden to the Sistine Chapel of the Ancients in the Amazon, there are so many hidden treasures still to uncover. The discovery and analysis of three wine jars or amphoras - Read More...
New study shows gardening alleviates depression and anxiety
In a new study from the University of Florida, researchers proved that gardening can improve the mental well-being of even healthy people. “Past studies have shown that gardening can help improve the mental health of people who have existing medical conditions or challenges. Our study shows Read More...
To ecologists’ surprise, toads can climb trees
Toads were always known as terrestrial creatures, spending their time on both land and in water… until now. To ecologists’ surprise, a group of volunteers surveying dormice and bats in trees made the accidental and unexpected discovery that toads also dwell in trees. How did they discover Read More...