What type of grass is best for beef cattle?

On average, Americans eat more than 50 pounds of beef each year (according to USDA estimates). But what do beef cattle eat? In the eastern United States, beef cattle often eat tall fescue, a "cool-season" grass. As the name ...

Eating fire ants could prepare lizards for future fire ant attack

Eating fire ants might prepare a lizard's immune system to be stung by the ants, according to a new study by researchers at Penn State. The study comprehensively assessed how the immune system responds to lizards eating and ...

DNA profiling solves Australian rabbit plague puzzle

Rabbits were first introduced to mainland Australia when five domestic animals were brought to Sydney on the First Fleet in 1788. At least 90 subsequent importations would be made before 1859 but none of these populations ...

Have the past misdeeds of John James Audubon come home to roost?

It was a risk that likely was not perceived back in 1886, when Forest and Stream magazine editor George Bird Grinnell, distraught over the mass slaughter of birds, decided to name his new organization after one of the most ...

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