It is still not clear how the experience of being bullied in childhood translates into long-lasting health problems. A new US study has found that victims of bullying have high levels of a protein in their…
Icy winters and arid summers are creating salty soil. In some regions, increasing aridity concentrates naturally occurring salt in the soil, while in others, rising seawater has contaminated the groundwater…
Poisoning by E. coli is too familiar. As far as food-poisonings go, it’s one of the most serious and is frequently fatal in children and the elderly. Infection can also lead to lifelong kidney damage and…
It is well established that modern humans originated in Africa, before moving out to inhabit rest of the planet. They first spread into Asia and Europe via the Arabian Peninsula, and those in the Far East…
Akshat Rathi, The Conversation dan Declan Perry, The Conversation
Bacterial diseases cause millions of deaths every year. Most of these bacteria were benign at some point in their evolutionary past, and we don’t always understand what turned them into disease-causing…
Your face plays an important role in the experience and expression of emotion. Yet despite the complexity of the human face, which has 43 muscles in all, most of existing facial expression research focuses…
Holiday in Hawaii and one of the birds you’re most likely to encounter is the chicken. You find them everywhere from beaches, to car parks and on walks through the bushland. The locals warn that your chance…
Antarctica was once covered in lush, subtropical forests, inhabited by diverse plants and animals including large dinosaurs. That’s going back many millions of years. These days, Antarctica is 99.7% covered…
The work of the Greek polymath Plato has kept millions of people busy for millennia. A few among them have been mathematicians who have obsessed about Platonic solids, a class of geometric forms that are…
Cancer is a disease of genes. DNA mutations mess with the genetic content of a cell, enabling it to escape the normal controls that restrict their growth. Now, a team of scientists led by Delphine Lissa…
Metastasis, the spread of cancer cells from a primary tumour to different organs, is responsible for more than 90% of deaths due to cancer. Current treatments such as chemotherapy or radiotherapy are effective…
Materials shape human progress – think stone age or bronze age. The 21st century has been referred to as the molecular age, a time when scientists are beginning to manipulate materials at the atomic level…
Of the many tricks used by the world’s greatest military strategists, one usually works well – taking the enemy by surprise. It is an approach that goes back to the horse that brought down Troy. But surprise…
Last week was the most memorable week of my scientific career. Accompanied by family, friends and colleagues, I was honoured with the award of a Nobel Prize in an unforgettable ceremony and banquet. That…
Raising livestock accounts for the largest single land-use on Earth. Cattle, sheep and goats, pigs and poultry occupy around 30% of the planet’s land area not covered in ice, generate 40% of the world’s…
There has been much debate about how cats went from hunting in the wild to a much-loved pet. That is because we know little about their domestication. Now researchers have found the earliest case of cat…
Those who experience a terrorist attack firsthand are prone to suffer from acute stress. That much is obvious. But does living that experience repeatedly through the media’s coverage of the event cause…
A few centuries ago, there were just a few widely used materials: wood, brick, iron, copper, gold and silver. Today’s material diversity is astounding. A chip in your smartphone, for instance, contains…
“Time is the thief of memory,” wrote Stephen King in one of his many books. For some people, however, that is not true. They are gifted with what scientists call highly superior autobiographical memory…
While visiting and enjoying the architecture of the Forbidden City in China, three researchers wondered how large rocks weighing many hundreds of tons were transported to the site more than 500 years ago…