Reference Terms
from Wikipedia, the free encyclopedia
Embryo
In organisms that reproduce sexually, once a sperm fertilizes an egg cell, the result is a cell called the zygote that has all the DNA of two parents.
Note: The above text is excerpted from the Wikipedia article "Embryo", which has been released under the GNU Free Documentation License.
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Plants & Animals News
November 20, 2024
Nov. 18, 2024 — A newly discovered pterosaur fossil is shedding light on the evolutionary journey of these ancient flying reptiles. This complete specimen, named Skiphosoura bavarica, provides crucial insights into how pterosaurs transitioned from early, smaller ...
Nov. 18, 2024 — An international team of researchers has achieved an unprecedented milestone: the creation of mouse stem cells capable of generating a fully developed mouse using genetic tools from a unicellular organism, with which we share a common ancestor that ...
Nov. 13, 2024 — A 'one of a kind' fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate ...
Nov. 12, 2024 — Roughly 90 million years ago, climatic conditions in Antarctica were suitable for resin-producing trees. Researchers have now made the southernmost discovery of amber in the ...
Latest Headlines
updated 12:56 pm ET
Nov. 20, 2024 — Fiber is something that most of us get far too little of. To change that, we need to actually enjoy eating it. Food researchers have now invented a ...
Nov. 20, 2024 — Antibacterial drugs are important for treating infections. But increasingly, bacterial resistance to current drugs -- so they don't work well, or even at all -- means new ones are urgently needed. ...
Nov. 20, 2024 — Residential garden produce grown near the Fayetteville Works fluorochemical plant can expose those who consume it to per- and polyfluoroalkyl ...
Nov. 20, 2024 — Dairy cows typically rest for 10 or more hours a day, so a dry, clean, and comfortable place -- such as a freestall -- to lie down and rest is ...
Nov. 20, 2024 — Typically, closely related animal species have difficulty coexisting because they are competing for similar resources. Despite eating the same figs, ...
Nov. 20, 2024 — Scientists have identified human antibodies capable of targeting the proteins responsible for severe malaria, potentially paving the way for new vaccines or treatments. Using organ-on-a-chip ...
Nov. 20, 2024 — Researchers shrink gastrointestinal tumors in mice using a yeast probiotic to deliver immunotherapy to the gut, offering a potentially novel strategy to target hard-to-reach gut ...
Nov. 20, 2024 — Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of paleontologists prefer drumsticks. That part of the leg, they say, is where fibular reduction ...
Nov. 12, 2024 — New research has found that people with a genetic defect in their ability to digest sucrose eat less cake, sweets and chocolate, which could hold the key to helping the wider population to eat less ...
Nov. 12, 2024 — Migratory birds are known for their ability to traverse thousands of kilometres to reach their breeding or wintering grounds. Research found that these birds, in this case, Eurasian reed warblers ...