Behind both these episodes lies a species of insidious tyranny unknown to the 17th century.
Bergman treats their impossible virtuousness as a species of screwball-comedy idiosyncrasy, and makes us believe in them.
They have found a species of crayfish that follows the logic of asexuality and does, indeed, clone itself.
Squat and knobby, the tubers aren't artichokes at all, but part of a species of sunflower that grows underground.
WSJ: Michael Anthony's Silken Sunchoke Soup | Slow Food Fast
One comes from a bug called Clostridium propionicum, another from a species of Pseudomonas, and two more from Cupriavidus necator.
Dr Wichman switched them to a species of Salmonella, and raised the temperature to 43.5C, to see what would happen.
The research team are therefore also looking for a species of algae with a weaker cell wall and high oil content.
And in these rarely dived waters, we found a species of coral which scientists previously didn't know grows off Eritrea's coast.
This month, the report honed in on a species of brand hijacking that clogs in-boxes daily: spam e-mails hawking name-brand discount drugs.
Conservationists were worried because, since the early 1980s, disease has removed another seaweed-muncher (a species of sea urchin) from most Caribbean reefs.
Bluetongue is a non-contagious virus spread by a species of midge and is most commonly seen in the late summer and autumn.
Similarly, after his experience with the Lao newt, Bryan Stuart discovered a species of poison snake and decided to keep its location secret.
BBC: Should the location of newly discovered species be hidden?
Well, it appears that our days as a species of lording supreme in the world of chess have pretty definitively come to an end.
ENGADGET: Computer beats world chess champion, moving on to poker and go
This is where MeerKAT named after a species of mongoose found in arid areas of south-western Africa such as the Karoo could play a crucial role.
ECONOMIST: A new radio telescope may catalyse African science
On the wall directly opposite are the heads of two large springboks, a species of gazelle, hunted on an annual big game trip to South Africa.
This is a species of conflict at which America's forces are not all that adept as the country's humiliation by Muhammad Farah Aideed in the streets of Mogadishu in 1993 demonstrated.
In March he will likely head to fish the saltwater flats in Florida for bonefish and tarpon and perhaps permit (a species of fish that has thus far eluded his hook).
FORBES: Gone Fishing: Paul Volcker Retires From Public Life, Heads For the River
Meanwhile a team of UK scientists is researching biological control of knotweed with fungus and a species of beetle which keeps the plant to a manageable size in its native Japan.
Now a team of ornithologists has discovered a species of bird in which both males and females abandon their offspring, a strategy that, perversely, increases the number of chicks they have overall.
This is also a type of alcohol that can be made by fermenting sugar (though the fermentation is done by a species of bacterium rather than by yeast), and it has some advantages over ethanol.
Less successful was the cloning of the gaur, a species of ox found in south Asia, by researchers at Advanced Cell Technology, a biotech company in Worcester, Massachusetts: the clone died of infection days after birth.
Testimony from such witnesses has long been viewed with skepticism by those experienced in the criminal justice system, but the federal appellate courts, including the U. S. Supreme Court, have never declared such sweetheart deals to be what they logically appear to be: a species of witness bribery or threats.
"Because mutations start occurring at regular intervals in these genes as soon as a new species evolves - like the ticking of a clock - we can use them to trace the evolutionary history of a species back to its time of origin, " said Dr Hedges.
It is thought to belong to a new species of pliosaur - a group of large, short-necked reptiles that lived at the time of the dinosaurs.
During the times of isolation, a number of species of giant duck-billed dinosaurs "roamed a much smaller area than you might think given that many were larger than elephants, " Gates said.
"It is yet another in a long line of Hawaiian species that have suffered as a result of the introduction of invasive species, " BirdLife International's global species programme officer Jez Bird told BBC News.
The chromosomes of a given species of plant or animal will contain many such repeated sequences, and these will be found at predictable places along those chromosomes.
In addition, the government banned helicopter tours after Peru's Institute of Natural Resources found low-flying aircrafts to be contributing to the disappearance of a rare species of orchid and the Andean Condor.
应用推荐