Category Science

If you’ve ever tried to casually mention a walk without triggering a full-body tail quake, you already know your dog is a master of pattern recognition. New research suggests that…

Hunters in southern Africa 60,000 years ago, may have been turning simple stone-tipped arrows into chemically enhanced weapons. A new finding suggests poison use was already part of hunting technology…

Along Morocco’s Atlantic coast, hominin fossils dated to about 773,000 years ago have been recovered from a cave sequence. The remains date to around the time — and likely just…

Before administering anesthesia, clinicians carefully evaluate a patient’s overall health, physiology, and medical history to determine the safest and most effective approach. Still, beyond factors like age or body weight,…

A high point of the Greenland ice sheet may be more sensitive to rising temperatures than previously thought, suggests a new study. The research, published in Nature Geosciences, took samples…

Living past 110 is rare. Remaining mentally sharp and physically independent at that age is rarer still. Yet a small number of people — known as supercentenarians — do exactly…

There are times when the red supergiant star Betelgeuse looks slightly amiss, becoming dimmer than usual. Emerging data from NASA’s Hubble Space Telescope is now suggesting that this mysterious change…

Greenland sharks are among the longest-lived vertebrates ever identified, with some individuals estimated to be several centuries old. They inhabit some of the darkest waters on Earth, deep in the…

At certain hot spots on the sun’s surface, plasma interacts with magnetic fields to whip up solar storms that careen toward Earth. These active regions can’t be observed from Earth…

Far from being defenceless, plants have acquired all kinds of weird and wacky ways to protect themselves against pests and predators. Some, according to a study in the Journal of…