Biology News
Gene regulation Seasonal genes explain the winter blues - Nature.com


Nature.com
New research may explain why some inflammatory diseases are more common in the winter. According to Todd and colleagues, the activity of ~23% of human genes varies with the seasons. Genome-wide analyses of mRNA levels in peripheral blood ...

Flora and Fauna: Prickly Pear Cactus - The Bozeman Daily Chronicle


The Bozeman Daily Chronicle
The prickly pear cactus is the most common cactus in Montana and is widely distributed throughout the American West. The prickly pear is a low-growing cactus with pear-shaped pads. The prickly pear has numerous clustered small spines called glochids ...

Rare bees barely benefit ecosystem - Nature.com


Nature.com
The sheer number of the most common species in an ecosystem — rather than the level of biodiversity — determines how much the system benefits people. Conservationists have argued that biodiversity supports ecosystem services such as crop pollination.

Common Missouri Spiders

Monett - United States

Descriptions and pictures of spiders indigenous to Missouri, USA.

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Common Missouri Wasps and Bees
United States

This site offers lots of detailed information on wasps and bees, particularly those found in Missouri.

Common Spiders in Japan
Japan

Line drawings, photos, and notes by Mikio Sekine. Also short articles on various insects.

Common Spiders Found Around Homes and Buildings
United States

Features common Kentucky spiders and provdes information about the differnt spider types.

Palystes: Rain Spiders, Lizard-eating Spiders
South Africa

Photographs and information on South African species in this genus.

Black Widow Spiders and Other Spiders of Medical Importance
United States

Brief information on the black widow and brown recluse; links to related web sites.

Latrodectus: Button Spiders, Widow Spiders
South Africa

Photographs and information on South African species in this genus.

Close-up View of Common Knotweed, Common Lamb's-quarters and Sheep Sorrel
United States

Photographic study by Brian Johnston of these three species, Polygonum arenastrum, Chenopodium album and Rumex acetosella.

Sicarius: Six-eyed Crab Spiders, Six-eyed Sand Spiders
South Africa

Photographs and information on South African species from the Biodiversity Explorer.

United States

Collection of news stories and photos about mountain lions in Missouri and adjacent states.

United States

Offers photos and descriptions of many of the state's beautiful wildflowers, sorted by color and scientific name.