Science

Chemical fertilizers can supply crops with nutrients in forms that plants can readily absorb, helping correct deficiencies and support growth. Their disadvantages include the risk of nutrient losses, water pollution, soil imbalance, and plant damage when the type or amount is poorly matched to the soil and crop. What Chemical Fertilizers Are Chemical fertilizer is […]

Screech owls are called screech owls because their calls were once popularly described as harsh, high-pitched screeches. The name is misleading, though: many of these small owls are better known for clear trills, whinnies, or descending whistles than for a sound most people would call a scream. What the Name Describes “Screech owl” is a

The biggest frog ever known was Beelzebufo ampinga, an extinct species whose fossils come from Madagascar. The largest frog alive today is the goliath frog, Conraua goliath, a very large species native to parts of West and Central Africa. What “biggest frog” means The answer depends on whether “ever” means the largest species known from

Whiteflies weaken plants by sucking sap from leaves and stems, which can cause yellowing, wilting, leaf loss, and stunted growth. They also leave behind sticky honeydew that can support sooty mold, and some species spread plant viruses as they feed. What whiteflies are Whiteflies are small, sap-feeding insects related to aphids, scale insects, and mealybugs.

Marlin and sailfish are closely related, large marine predators, but they are not the same fish. Sailfish are known for an especially tall, sail-like dorsal fin and exceptional bursts of speed, while marlins generally have a stouter build and a less oversized dorsal fin; both belong to the billfish family and share a pointed bill.

Female ducks lay eggs; male ducks do not. Many domestic duck breeds lay regularly, but egg production varies with breed, age, health, daylight, diet, and living conditions, and a female can lay eggs even when no drake is present. Which Ducks Lay Eggs? All female ducks are biologically capable of laying eggs once they reach

No, bananas did not go extinct. One famous dessert banana, the Gros Michel, largely disappeared from commercial plantations after a devastating disease outbreak, but other banana varieties survived and the Cavendish became the familiar export banana in many countries. The confusion comes from using “banana” as if it meant one single variety. Bananas are a

Yes, solar panels can protect the environment by generating electricity without burning fuel during operation, which can reduce greenhouse gas emissions and air pollution when they replace more polluting power sources. They are not impact-free: making, transporting, installing, and eventually handling panels uses materials and energy, so their overall benefit depends on how they are

Frogs and toads can sometimes live together in the wild, but that does not mean they are safe or suitable to house together. In captivity, the safest general rule is to keep them in separate, species-appropriate enclosures unless an experienced amphibian keeper or qualified veterinarian has confirmed that a particular pairing is compatible. Why Frogs

Birds usually avoid electric shock when they perch on a single power wire because both feet are at nearly the same electrical voltage, so little current flows through their bodies. They can be shocked if they touch a second wire or a grounded object at the same time, creating a path for current to travel