No one looks forward to getting old; in fact, it can seem pretty scary. But you might be surprised to learn that aging brings some benefits. All things being equal — given reasonably good health and a secure economic situation — older people tend to be happier than younger people, according to a growing body of research. A widely cited study published in 2016 in the Journal of Clinical Psychiatry looked at more than 1,500 people from 21 to 100 years old and found that mental health increas ...read more
We all know that vitamin D is a necessary nutrient for good health. The vitamin is important in helping your system absorb the calcium it needs to maintain strong and healthy bones. We also need vitamin D to support various other functions and systems in the body.But if you’ve been shopping the supplement aisle, you must have noticed that there isn’t just one form of vitamin D: vitamin D2 and D3 are called out on various labels, too. What exactly is the difference between D, D2, and D3? Are ...read more
At first glance, they might seem cute, with sleep, spotted coats, floppy forms, and near mischievous-looking smiles, as they haul-out upon land or ice. But put yourself in the shoes – or flippers, rather – of an unfortunate penguin, and you’d see a different side of them: a gaping pink maw, greeting you with long fangs, ready to pierce flesh.While it’s unlikely you’ll ever encounter one of these apex predators unless you find yourself down in the southern hemisphere, leopard seals wiel ...read more
A mosquito-borne parasite, Plasmodium malariae causes malaria — a disease responsible for at least 608,000 deaths and 249 million cases in 2022, according to the World Health Organization. Malaria usually causes severe headaches, fevers, and chills for modern day humans.But according to a new study, ancient humans in the modern-day Arabian Peninsula may have been resistant to the disease. A mutation in DNA most likely happened 5,000 years to 6,000 years ago, or when farming started in Eastern ...read more
The fierce Tyrannosaurus rex is well known for its boxy head, sharp teeth, and petite arms. But why did T. rex have such tiny arms and what did they use them for? Experts have developed various hypotheses for decades. Some say the tiny, seemingly useless appendages, which may have been too small to accomplish anything, might have been well adapted to give other dinosaurs a good slashing from a short distance.Others suspect they were used for holding on to other T. rexes during mating rituals, to ...read more