The sugar added to sweetened condensed milk kills bacteria that would otherwise digest the milk and spoil it. The sugar kills not by poisoning the bacteria, but by a more direct physical process.
Monkeys use grooming to reinforce male-female mate bonds as well as same sex friendship bonds.
This year, 2019, the periodic table turns 150. It organizes the elements into rows and columns. The seven rows are based on the number of an element’s electron shells.
Researchers at the University of Cambridge found that ancient Romans did not see a reduction in intestinal parasites like whipworm, roundworm and tapeworm, compared to people who lived during earlier ages with less sophisticated sanitation systems.
Copper, gold and silver can’t just be found anywhere buried under the soil. It takes very specific conditions to produce deposits of mineral ores that can be mined.
Information about when to germinate is imprinted by the mother plant in the seeds’ genes—essentially turning certain genes off that regulate germination.
As sunlight enters our atmosphere, it bends slightly. This is due to refraction, the same thing that makes a pencil look slightly askew when you stick it half way into a glass of water.
In most showdowns between spiders and flies, the odds weigh heavily in the spider’s favor. Today, however, we’ll look at a few species of fly that manage to turn the tables on their eight legged foes.
A “heiligenshein,” is German for halo. This is a glowing light around the head and shoulders of your shadow. It’s likely to be seen by early morning golfers on dewy grass.
In the Western Pacific around New Guinea, there’s a watery hill almost 250 feet high. This isn’t a hill on the ocean floor, it’s a hill in the ocean’s surface itself.
Look at the back of a spoon and your reflection appears right side up. Look into a spoon’s bowl, and your reflection’s upside down. How come?
Scientists working with two species of damselfish on Australia’s Great Barrier Reef discovered that when water temperatures increased by as little as three degrees, fish personalities changed.
Five million year old rabbit fossils found on the island of Minorca were six times the size of today’s rabbits.
Jabuticaba is a fruit native to Brazil. It’s the size and color of a plum, with a white pulp and several seeds. It’s also known for its health benefits and sometimes gets called a “super fruit.”
On the beach at Île de Ré, a small island off the west coast of France, there are square waves. This is the result of two sets of wave intersecting at right angles.
Around 10,000 years ago, humans first domesticated plants and animals, started living in fixed, urban areas called cities, and organized themselves into complex societies.
Çatalhöyük’s long period of excavation and its wealth of well-preserved artifacts and archaeological remains has made it an indispensable source of data about human prehistory.