Life and Nature

Bee Culture: Chalkbrood

Chalkbrood, a fungus disease attacking honey bee larvae, has been in the U.S. since the mid- to late 1960s. During its 30 or so year stay it has caused problems ranging from barely noticeable to major epidemics in some areas, in some years. This year bordered on the epidemic in many areas, especially the northern …

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Smart Mars Rovers

A scientist talks about a new tool for space exploration — a robot that thinks like a geologist. When a space probe sends data from Mars, the radio signal can take up to 20 minutes to travel back to Earth. And if mission controllers send a command back to the probe, it might take another 20 …

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Fighting the fire ants

South American fire ants are on a rampage and have blazed their way through a growing number of southern U.S. states. Now, scientists are seeking a way to fight the deadly insects that are destroying crops and terrorizing small mammals as well as humans. Fire ants – known for their burning sting – are believed …

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Monarchs butterflies – The Great Migration – from San Francisco to the Mexican border

The fourth and final generation of Monarchs for the year emerge from their pupae around late summer. External natural cues, perhaps the waning length of the day and cooler temperatures, cause a change in their bodies; their reproductive organs are immature, they are in a state of reproductive diapause. Unlike their parents that lived for …

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