News tagged with separate sexes


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Search results for separate sexes


duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.9 / 5 (11) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Method makes refineries more efficient

Chemistry / Other

created Dec 22, 2009 | popularity 4.5 / 5 (6) | comments 0

(PhysOrg.com) -- Refineries could trim millions of dollars in energy costs annually by using a new method developed at Purdue University to rearrange the distillation sequence needed to separate crude petroleum into products.


Abortion looms as possible health bill deal killer

Medicine & Health / Health

created Dec 23, 2009 | popularity not rated yet | comments 2

(AP) -- The way abortions are covered under health care reform is a major obstacle to finalizing the legislation, even though the House and Senate both agree that no federal money should be used.


Formation of the Gulf of Corinth rift, Greece

Formation of the Gulf of Corinth rift, Greece

Space & Earth / Earth Sciences

created Dec 22, 2009 | popularity 4 / 5 (1) | comments 0

A study of the structure and evolution of the Gulf of Corinth rift in central Greece will increase scientific understanding of rifted margin development and the tectonic mechanisms underlying seafloor spreading ...


Study: Swine flu poses a threat to new moms

Medicine & Health / Diseases

created Dec 23, 2009 | popularity not rated yet | comments 0

(AP) -- Swine flu is not only dangerous to pregnant women, but it's a threat to new mothers too, the first study to document this risk shows. An analysis of pregnant women and new mothers who were hospitalized with swine ...


bee

Bees show off the perfect landing

Biology / Plants & Animals

created Dec 23, 2009 | popularity 4.6 / 5 (7) | comments 0

(PhysOrg.com) -- Honey bees undergo a sudden transition from speeding aircraft to hovering helicopter as they perform the delicate art of landing on a flower.


Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)

Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)

Physics / General Physics

created Dec 22, 2009 | popularity 4.8 / 5 (6) | comments 0

Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...


US Senate votes on landmark health bill

Medicine & Health / Health

created Dec 24, 2009 | popularity 2.6 / 5 (5) | comments 3

Senators gave Barack Obama a huge political boost on Thursday by passing a sweeping remake of the US health care system that aims to extend coverage to 31 million uninsured Americans.


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created Dec 21, 2009 | popularity 4.7 / 5 (3) | comments 0

At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...


A novel gene found for childhood-onset asthma

Medicine & Health / Diseases

created Dec 23, 2009 | popularity not rated yet | comments 0

Pediatric researchers have identified a novel gene involved in childhood asthma, in one of the largest gene studies to date of the common respiratory disease. Because the gene, called DENND1B, affects cells and signaling ...



List of search results for separate sexes