How lethal is COVID-19, and other (un)answered questions

There have now been over 12 million cases of COVID-19 infection globally, and half a million deaths. Researchers are constantly looking for new and better information to reduce the uncertainty around the virus.

How to build a better brain

The first time he saw a living human brain, neurosurgeon Sanjay Gupta says it became “a powerful and life-changing experience."

Food and health with Dr Michael Orlich of the Loma Linda University Medical Center

When the founders of the Loma Linda University Medical Center in California laid the foundation, their purpose was somewhat paradoxical. Christians to the bone, and Adventists on top of that, they echoed the words attributed to the great reformer Martin Luther: “Even if I knew that tomorrow the world would go to pieces, I would still plant my apple tree.”

Evolution before our very eyes | Part 1

Bacteria are becoming increasingly resistant to antibiotics; some butterflies and fish are developing new colours for better camouflage; and a series of laboratory experiments have revealed small but significant changes in various microorganisms. Are these phenomena conclusive evidence of evolution unfolding before our eyes?

How to sleep well in the age of anxiety

Sleep is perhaps the most important, complicated, and misunderstood physiological mechanism that keeps us alive.

Antibiotics: Blind optimism is dangerous

The increased frequency with which doctors are encountering antibiotic-resistant bacteria is worrying. And it could affect an already precarious medical field—cancer treatment.

A new theory of evolution—or several complementary theories?

"Strange as it sounds, scientists still do not know the answers to some of the most basic questions about how life on Earth evolved. Take eyes, for instance. Where do they come from, exactly?" These are the words with which an extensive article published by The Guardian in June 2022 begins.

The risks of overrelying on genetic testing

Genetic testing is a new frontier in preventive medicine. But beyond this border, there lies a minefield of trial and error.

My daily horoscope really fits! True or false?

The daily horoscope is sometimes seen as a quasi-scientific method of predicting the future, other times as a preoccupation of childish adults, a way of calming one’s curiosity about tomorrow.

The flat Earth theory in the Middle Ages

Atheists frequently invoke the theory that in the Middle Ages, Christians (not just lay people, but even church leaders) believed in the myth of the flat Earth.

The God particle?

Very few ordinary people seem to be overflowing with passion for quantum physics, as the field involves a high degree of abstraction and relatively complicated mathematical equations.

Evolution and creation: closer to the core of the controversy

I got acquainted with Ariel Roth as a writer, but I also got to meet him as a human being. I discovered neither fanaticism nor nervousness, neither doubt nor ideological speech in Roth, an octogenarian who still looks in detail at each new subject appearing on the agenda of the debate between evolution and creation. He maintains an unflagging desire for honesty and...

Is sugar the most dangerous drug?

While few people can remember the details of their first hit, everyone can identify with the rush of satisfaction, the tingling delight that starts on the tip of your tongue and then courses through your entire body.

COVID-19: Should we care about the environment in the midst of an economic crisis?

Our planet may be fittingly compared to the 1994 film, Speed: A bomb is planted on a bus and rigged to explode when the bus slows to less than 80 kilometres per hour. The bus barrels through Los Angeles, hitting obstacles and endangering the lives of passengers and pedestrians until a solution is found.

Memories that shape the future

Out of the endless series of events we experience, some we remember, and others we do not. Some often come to mind and we relish recounting them, while others we wouldn’t reveal for anything in the world.