DESCRIPTION: The Topeka shiner is a small minnow averaging about 1.5 to two inches in length, with an olive-yellow back, dark-edged scales, and a dark stripe running along its silvery sides. It has ...

Applied since the 1930s to accelerate the process of developing and selecting new valuable agronomic traits, mutation breeding uses a plant’s own genetic make-up, mimicking the natural process of ...

Peregrines can eat as much as one-quarter of their weight at one sitting. Peregrines usually begin breeding at about 2 years of age. The male will put on an aerial courtship display to attract a ...

Many other threats imperil the Topeka shiner, including gravel-removal operations, water pollution from livestock, and land-use changes resulting from urbanization. Thanks to human impacts, this ...

Irradiation can be used to induce mutations in plants with the goal to produce varieties that display improved product quality, have higher yields and yield stability, greater resilience to climate ...

24, 2024 — Male birds help their parents less than females because they're too busy scouting for new places to live and breed, a study ... Cancer Prevalence Across Vertebrate Species Decreases ...

A species is a group of organisms that interbreed to produce fertile offspring. Selective breeding is when organisms are deliberately bred so their offspring have the desirable characteristics.

1. In Lakeland, specks are biting on grass shrimp jigs and regular minnows with some reported in the 2.5-pound range. Lakes Mattie and Parker have been good for specks. Shiners continue to be ...

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Linda Shiner is the editor of Air & Space. NASA researchers are scrutinizing rocks and dirt brought to Earth from the asteroid Bennu The company that gave us the first supersonic airplane and the ...