Bioenergetics I, by S. Dasgupta
Language |
English |
---|---|
License Type |
Premium |
Publication Type |
Academic Videos |
Publication Mode |
Online |
Categories: Academic Videos, Science and Technology Videos
Tags: Biochemistry, Life Sciences
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Amphibians and Reptiles in Captivity
In recent years the number of people interested in keeping amphibians and reptiles in captivity has grown rapidly. All too often, these same people have little knowledge of the proper care needed for their captives, nor do they know where to turn in order to learn the needs of their animals. It is the intent of the authors of this special issue to offer the proper information needed to successfully keep amphibians and reptiles in captivity. We are by no means THE experts on the subject, nor do we claim to cover all the facts. However, we do hope that enough information is furnished to answer most of the common questions asked by people. - Summary by Tom R. Johnson
Baby Bird Portraits by George Miksch Sutton: Watercolors in the Field Museum
George Miksch Sutton is one of the best known and most beloved bird artists of the twentieth century. This marvelous book presents thirty-five paintigs of downy chicks, nestlings, and fledglings painted from life by Sutton. The exquisite watercolrs, housed in the Field Museum of Natural History, span three decades and depict nineteen species of North American birds. Many of the paintings are reproduced here for the first time. Sutton was fond of painting young birds from life and of recording their developmental changes. Marked by delicate bruskwork and subtle color variations, his paintings document characteristic features of the birds? species as well as capturing the poses and attributes that make each bird seem so unique. Some paintings show not only juvenal plumage but also head portraits of adult plumage. The nineteen species include familiar garden birds such as cardinals, Great Plains inhabitants such as the grassland sparrows, and upland and wetland birds, including bobwhites, moorhens, and sandpipers. In his introduction to the collection, ornithologist Paul Johnsgard discusses Sutton?s contributions to bird art and to ornithology. And is essays accompanying the paintings, Johnsgard describes his and Sutton?s personal encounters with the birds. A tribute to Sutton?s genius as both an artist and an ornithologist, Baby Bird Portraits will be welcomed by ornithologists, bird enthusiasts, and Sutton?s legion of admirers.
Experiments in Plant Hybridisation
Gregor Mendel was an Augustinian monk in the St. Thomas monastery in Brno. His seminal paper "Experiments in Plant Hybridization" presents his results of studying genetic traits in pea plants. It is the ground breaking work on inheritance, being the first to differentiate between dominant and recessive genetic traits. His work was long ignored and deemed controversial, however, at its rediscovery at the turn to the 20th century, it earned Gregor Mendel the title "father of modern genetics". (Summary by Availle)
The American Bee Journal, Vol. VI. No. 3, Sept 1870
The American Bee Journal is the ?oldest bee paper in America established in 1861 devoted to scientific bee-culture and the production and sale of pure honey. Published every Wednesday, by Thomas G. Newman, Editor and Proprietor? In this issues are topics from Management of Bees in Winter to Artificial Queens, and a special tribute to James T. Langstroth. - Summary by Larry Wilson
The American Bee Journal, Vol. VI. No. 5, Nov 1870
The American Bee Journal is the ?oldest bee paper in America established in 1861 devoted to scientific bee-culture and the production and sale of pure honey. Published every Wednesday, by Thomas G. Newman, Editor and Proprietor? In this issue are included articles on wintering bees, foulbrood, introducing queens, hives, and reports from Vermont, New York, Illinois, and Massachusetts, among other topics and correspondence. - Summary by Larry Wilson
The American Bee Journal. Vol. VI, No. 4, Oct 1870
The American Bee Journal is the ?oldest bee paper in America established in 1861 devoted to scientific bee-culture and the production and sale of pure honey. Published every Wednesday, by Thomas G. Newman, Editor and Proprietor? In this issues are topics from Bee-Culture in Cities to Queen Raising and Breeding. - Summary by Larry Wilson
The Migration of Birds
This is a complete study of the cause and reasons of the migration of birds. What makes Birds Migrate? Migration is the act of changing an abode or resting place, the wandering or movement from one place to another, but technically the word is applied to the passage or movement of birds, fishes, insects and a few mammals between the localities inhabited at different periods of the year. The wandering of a nomadic tribe of men is migration; the mollusc, wandering from feeding ground to feeding ground in the bed of the ocean, migrates; the caterpillar migrates from branch to branch, even from leaf to leaf; the rat leaves the ship in which it has travelled and migrates to the granary; we pack our goods, hire a removing van and migrate to a new abode. The word migration thus applied may be literally correct but it fails to convey the generally accepted meaning, and the expression Bird Migration suggests periodical and regular movement, the passage as a rule between one country and another..."