Reference Terms
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Projectile
A projectile is any object sent through space by the application of a force.
Note: The above text is excerpted from the Wikipedia article "Projectile", which has been released under the GNU Free Documentation License.
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Science News
May 23, 2025
May 23, 2025 — A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously ...
May 21, 2025 — Mice genetically engineered to lack the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in a ...
May 22, 2025 — A new study proves that a type of genetic element called 'introners' are the mechanism by which many introns spread within and between species, also providing evidence of eight instances in which ...
May 21, 2025 — Clownfish have been shown to shrink in order to survive heat stress and avoid social conflict, research ...
Latest Headlines
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May 22, 2025 — Using a novel lab method they developed, researchers have identified nine molecules in the blood that were elevated in teens diagnosed with depression. These molecules also predicted how symptoms ...
May 21, 2025 — A new risk calculator accurately identified participants who had calcium buildup in their heart arteries and those who had a higher future heart ...
May 23, 2025 — Researchers have discovered a new 2D material, confirming decade-old ...
May 23, 2025 — In biology, enzymes have evolved over millions of years to drive chemical reactions. Scientists have now derived universal rules to enable the de novo design of optimal enzymes. As an example, they ...
May 21, 2025 — A new study has revealed why some spiders possess venom that is far more potent than others. By analyzing the venoms of more than 70 different spider species, the team explored whether factors such ...
May 23, 2025 — A new study uses metabolic profiling to uncover ancient knowledge systems behind therapeutic and psychoactive plant use in ancient ...
May 23, 2025 — Scientists may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud ...
May 22, 2025 — Every year, total allowable catches (TACs) and fishing quotas are set across Europe through a multi-step process -- and yet many fish stocks in EU waters remain overfished. A new analysis reveals ...
May 23, 2025 — Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted ...
May 21, 2025 — An artificial intelligence technique for detecting DNA fragments shed by tumors and circulating in a patient's blood could help clinicians more ...