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The Plague

Plague is an infectious disease caused by the bacterium Yersinia pestis. The bacterium is found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans usually contract plague from rodent or flea bites. Historically, plague decimated entire civilizations. In the 1300s, the 'Black Death,' as it was called, ...

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ThePlague
Biology

Botrytis: The Noble Rot

Gray mold is a common disease of small fruits (e.g. strawberries) and flowers (e.g. petunias) in warm, humid weather. It is caused by the fungus Botrytis cinerea, which produces huge numbers of ... Continue reading

BotrytisTheNobleRot
Astronomy

318 Times as Massive as Earth

What is 318 times more massive than Earth? Jupiter, the fifth planet from the Sun (next in line after Earth and Mars). Jupiter is the largest planet in our Solar System. If you decided to take a ... Continue reading

Jupiter
Biology

Man-Eating Plants

What's for dinner? A bowl of salad greens, corn on the cob and strawberry shortcake for dessert. And it's not just us, most animals and insects love to munch, crunch and dine on plants. But there is a ... Continue reading

ManEatingPlants
Physics

How Lasers Work

Light is a fascinating thing. Or things, as the case may be. Electromagnetic energy that our eyes have developed to see, light has the same behavior and properties as all other electromagnetic ... Continue reading

HowLasersWork

Send In the Lady

LadybugsOne of the world's most recognizable insects is the ladybug. Ladybugs belong to a family of insects called Coccinellid, with about 5,000 species identified. But this little insect is more than just another pretty face, for the ladybug has been enlisted to fight in the front lines in our eternal war against insect predators. And with a reported 15% of all food and ornamental crops damaged or destroyed by insect pests, we can use all the help we can get.

Biological control is nothing new. For centuries farmers have sought the help of not only ladybugs, but praying mantis, wasps and mites as well. With recent concerns about the overuse of pesticides, there has been a renewed focus on fighting insects with their natural predators. The ladybug is well equipped for the job. In both the larval and adult stages, they prey on many soft-bodied bugs, including aphids and scales.

Like anything else though, you can have too much of a good thing. Nature is a balance, not only on a global, but also on a regional and local level. If the balance is thrown off, unexprected consequences may result. With this in mind, many farmers are using a combination of pesticides and natural insect control. And one of their favorites is the ladybug. Need help getting rid of those aphids? Send in the lady.