News tagged with eggs
Related topics: sperm , fertilizer , offspring , birds , embryos
Research suggests cells communicate via biophotons
(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...
May 23, 2012 |
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New frog species from Panama dyes fingers yellow
A new bright yellow frog species has been found in the mountains of western Panama. The frog belongs to a species-rich group of frogs, the so called rainfrogs that lack a tadpole stage, but develop directly ...
May 22, 2012 |
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Central nervous system stem cells shed light on mechanism that controls asymmetrical division
Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...
May 18, 2012 |
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Color of robins' eggs determines parental care
A male robin will be more diligent in caring for its young if the eggs its mate lays are a brighter shade of blue.
May 14, 2012 |
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Team observes rapid change in underwater volcano Monowai
(Phys.org) -- A research team out to perform routine mapping of the seafloor some 400 kilometers southwest of Tonga, found that one volcano, named Monowai, changed dramatically over just a two week time span. ...
Space & Earth / Earth Sciences
May 14, 2012 |
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Antarctic albatross displays shift in breeding habits
A new study of the wandering albatross -- one of the largest birds on Earth -- has shown that some of the birds are breeding earlier in the season compared with 30 years ago.
Apr 30, 2012 |
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Hubble images searchlight beams from a preplanetary nebula
(Phys.org) -- The NASA/ESA Hubble Space Telescope has been at the cutting edge of research into what happens to stars like our sun at the ends of their lives. One stage that stars pass through as they run ...
Apr 28, 2012 |
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From embryonic stem cells, a sperm replacement and easier path to genetic modification
Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...
Apr 26, 2012 |
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Egg-laying beginning of the end for dinosaurs
Their reproductive strategy spelled the beginning of the end: The fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous mammals. Together with colleagues from the Zoological ...
Other Sciences / Archaeology & Fossils
Apr 17, 2012 |
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Chechnya claims world's largest dinosaur eggs
A university in Russia's Chechnya claimed on Tuesday to have found an unprecedented stash of giant fossilised dinosaur eggs in a remote mountainous area of the North Caucasus region.
Other Sciences / Archaeology & Fossils
Apr 17, 2012 |
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Parasite arms race spurs color change in bird eggs
The eggs laid by two African bird species have evolved different color patterns over a period of just 40 years, according to new research published in The American Naturalist. The quick change appears to be ...
Apr 16, 2012 |
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International team unearths oldest-ever reptile embryos
Dating back 280 million years or so, the oldest known fossil reptile embryos have been unearthed in Uruguay and Brazil. They belong to the ancient aquatic reptiles, mesosaurs. The study of these exceptionally ...
Other Sciences / Archaeology & Fossils
Apr 12, 2012 |
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Ant queens lay more eggs as they age
Ant queens get better at laying eggs as they get older, researchers report in the Apr. 11 issue of the open access journal PLoS ONE. Furthermore, this high egg-laying rate did not shorten the queens' life spans, as would ...
Apr 11, 2012 |
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Egg Cetera #6: Hunting for the world's oldest decorated eggs
In the final report of our Egg Cetera series on egg-related research, archaeologist Brian Stewart investigates a remarkable technological leap for early mankind – the use of ostrich eggshells as water carriers.
Other Sciences / Archaeology & Fossils
Apr 10, 2012 |
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Egg Cetera #5: Nature's paradoxical packaging
In the fifth report of our Egg Cetera series on egg-related research, engineers and zoologists work together to discover the secrets of the eggshell.
Apr 10, 2012 |
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