Cricket Invasion

October 15, 2010

Around this time every year, you probably notice black or brown crickets sneaking into your home and school. Sometimes, your only clue that crickets are in your house is the incessant chirping from the basement. A few days later, you find cricket carcasses in corners and under boxes. So what drives these insects into buildings […]

Read the full article →

Why Birds Migrate

October 15, 2010

During the cold winter months, many birds simply can’t find enough food to survive in northern habitats. Insect-eating birds, and some that rely on certain berries or seeds, will head to warmer climates where food is always plentiful. So why don’t birds that live in the warmer climates just stay there all year? In summer, […]

Read the full article →

Fall Foliage Facts

October 4, 2010

The amount of daylight (photoperiodism) prompts the color changes in leaves, not cooler temperatures. As days get shorter, trees use less chlorophyll. All that green pigment starts to degrade, revealing the other leaf pigments. Trees with leaves that always turn yellow include tulip poplar, birch, hickory, and redbud. Some trees have leaves with high amounts […]

Read the full article →

Next Entries →