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Rudyard Kipling referred to ants in his famous poem, recommending these fragile creatures as a kind of didactic exhibit. What can one learn from ant colonies?

Since the beginning, human life on Earth has been an assiduous battle with the unknown and a series of unprecedented risk-taking. Exposure to danger seems to be the price to pay for progress. This is the first lesson learned in childhood, when the need to move from dependence to independence pushes us beyond the limits of safety and personal comfort. It familiarises us...

I am not an expert on the phenomenon of death. But like all of us, I have to live in its shadow, and watch the restlessness and greed it causes. The same gloomy reports that circle the planet also reach me. I feel especially conscious of this as COVID-19 claims its first victims in my country.

In a study published in the journal PLOS One, researchers came to the counterintuitive conclusion that people with higher intelligence have higher levels of generalised trust.

I was descending from Omu Peak, in the Bucegi Mountains, with a few dozen young people. It had not been an ideal hike, and we were behind schedule. The forest made the darkness even thicker as it began to cover the mountain, and slowly, our minds as well.

Sometimes I think I was born with a magnifying glass in my hand, one through which I critically scrutinize everything I do and say and which relentlessly magnifies every imperfection.

I was there, I saw him. He was coming towards me mechanically, impassively, coldly. He suddenly stopped in front of me and waited for me to speak. For a moment, I froze. He was tall, thin, his face oval and his eyes blue, slightly sunken under his eyelids. I had met such people before, but there was something special about him.

What are the most common causes of failure to change? For clarity and efficiency of argumentation, we will restrict the definition of change to those transformations that affect living and working habits. Most often, habits stand in the way of success and performance.

In Mexico, diabetic retinopathy is a significant challenge. Professor Pedro Gomez is the director of the Ophthalmology Institute of the University Hospital of Montemorelos in Mexico, renowned for the highest number of eye surgeries in Latin America.

It is said that it takes a village to raise a child. It's folk wisdom acknowledging that the development of a person requires the contribution of the whole community. What value does the community add, especially when the community in question is the scientific one?

The quantity of Vitamin B12 required for a healthy diet is measured in micrograms, but the impact on human health is far greater than these tiny amounts would suggest.

When I read “The Pitesti Phenomenon”, in my teens, I was bewildered by how cruel human nature can be. It was also then that I realized that being forced to renounce yourself, to bury your values and defining beliefs to become the reflection of a rotten system, to become inhuman is worse than being physically tortured.

How was it possible to produce a vaccine against COVID-19 in less than a year, and what guarantees are there that there were no compromises in the process? What can we say about the COVID-19 vaccine's safety?

I leave the house with gloves and a mask on. When I return, I clean my shoe soles and I wash my gloves with disinfectant. Then I take off my clothes, place them somewhere outside, take off my gloves and mask and wash my hands. Is this normal? Or am I a germophobe?

How do we value a human’s life? Should we rate lives on their value to their community? That would mean a life-saving surgeon would have more value than someone living on the street. Or is it potential—which would make a baby more valuable than a 50-year-old? What about the value we place on those later in life versus those at the end?