Reference Terms
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Egg (biology)
In most birds and reptiles, an egg is the zygote, resulting from fertilization of the ovum.
Note: The above text is excerpted from the Wikipedia article "Egg (biology)", which has been released under the GNU Free Documentation License.
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May 16, 2024
May 15, 2024 What makes the oldfield mouse steadfastly monogamous throughout its life while its closest rodent relatives are promiscuous? The answer may be a previously unknown hormone-generating cell. Scientists discover the cells and hormones that inspire mice ...
May 15, 2024 The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs early in the Jurassic period about 180 million years ago. The new study looked at the spread of dinosaurs across different ...
May 2, 2024 A wild orangutan was observed applying a plant with known medicinal properties to a wound, a first for a wild ...
Apr. 29, 2024 It has long been thought that meat played an important role in the diet of hunter-gatherers before the Neolithic transition. However, due to the scarcity of well-preserved human remains from Paleolithic sites, little information exists about the ...
Latest Headlines
updated 12:56 pm ET
May 16, 2024 Vanilla, the most widely used flavoring compound in confectionaries and cosmetics, gets its sweet flavor and aroma from the chemical compound -- 'vanillin'. However, the large-scale production of ...
May 15, 2024 Researchers have found a genetic pathway that facilitates inter-species communication between a marine worm, acoel, and its symbiotic ...
May 16, 2024 Sea otters are one of the few animals that use tools to access their food, and a new study has found that individual sea otters that use tools -- most of whom are female -- are able to eat larger ...
May 15, 2024 Nutrient-rich blueberries -- a common breakfast smoothie ingredient -- can also create wine. But does the heat and time required to ferment this mighty berry strip out any of those potential ...
May 15, 2024 Highly pathogenic H5N1 avian influenza was detected in dairy cattle for the first time in the United States in March, with nine states reporting ...
May 15, 2024 A new article has found that climate change is the most prominent threat to pollinators -- such as bumblebees, wasps, and butterflies -- who are essential for biodiversity conservation, crop yields ...
May 15, 2024 Prions are the abnormal, pathogenic agents that are transmissible and are able to induce abnormal folding of specific normal cellular proteins. Prion disease is an umbrella term for a group of fatal ...
May 14, 2024 Researchers say the discovery of very high genetic diversity in leopards found in the Highveld region of South Africa has increased the need for conservation efforts to protect leopards in the ...
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May 13, 2024 While wildflowers and perennials are a must for supporting pollinators, there's no denying the popularity of many annual flowers for their colorful, ...