
JUL 21, 2010 |
Weed-Sniffing Dogs Trained dogs sniff out invasive plants. |

JUL 13, 2010 |
Flowers & Rainfall Flowering plants keep the world cooler and wetter than it would be otherwise. |

APR 23, 2010 |
Plants vs. Insects Roundup A protein in coffee beans is an effective pesticide. |

MAR 19, 2010 |
Environmental Health Roundup Despite looking green and attractive, many parks may actually create more pollution than they prevent. |

JAN 25, 2010 |
Disappointing Ginkgo Researchers report that ginkgo biloba is ineffective against cognitive decline in older adults. |

JAN 21, 2010 |
Gelatin Source Reality Check investigates the urban legend that gelatin is made from cow hooves. |

NOV 30, 2009 |
Ancient Pollination Millions of years before flowers evolved, insects were pollinating non-flowering plants. |

OCT 8, 2009 |
Ancient Fibers Ancient flax fibers found in a cave suggests humans may have been turning the plant into clothing or rope as far back as 36,000 years ago. |

SEP 22, 2009 |
Fall Color Differences A new hypothesis explains why fall colors differ in the U.S. and northern Europe. |

SEP 10, 2009 |
Early Climate Change Humans may have affected the Earth's climate thousands of years ago. |

AUG 31, 2009 |
Chimp Malaria Malaria probably passed from chimpanzees to humans around 5,000 years ago. |

AUG 27, 2009 |
Mayan Forestry The early Maya culture practiced forest conservation – and may have paid a heavy price when they stopped. |

AUG 21, 2009 |
Plant Roundup Plant geneticists are developing crops that can thrive in salty soils. |

JUL 3, 2009 |
Green Cows & Trees Roundup Today’s cows are more efficient than those of 50 years ago. |

JUN 9, 2009 |
Cow Methane Geneticists say cattle can be bred to be more environmentally friendly. |

MAY 7, 2009 |
Paldoxins A new kind of chemical can control crop-killing fungi with less environmental impact. |

APR 14, 2009 |
Insect Food Choice Eating just one type of plant helps insects avoid information overload. |

JAN 29, 2009 |
Hair Fertilizer Human hair could be a useful fertilizer. |

JAN 20, 2009 |
Hospital Plants Putting plants in hospital rooms may help people recover from surgery. |

JAN 16, 2009 |
Caffeinated Fuel In the future, cars could fuel up with coffee grounds. |

JAN 12, 2009 |
Little Ice Age Widespread disease epidemics in the Americas may have set off a period of global cooling in the past. |

DEC 1, 2008 |
Blue Bananas You might not think by looking at them that bananas are really blue. |

NOV 28, 2008 |
Allergies & Cancer Roundup Allergies are associated with a lower risk of certain cancers. |

NOV 10, 2008 |
Thoreau's Plants Global warming has altered the composition of plants on the shores of Walden since the time of Henry David Thoreau. |

OCT 15, 2008 |
Atmospheric Aspirin Trees release an aspirin-like compound under stress. |