Reference Terms
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Isotope
Isotopes are forms of an element whose nuclei have the same atomic number–-the number of protons in the nucleus--but different mass numbers because they contain different numbers of neutrons.
Note: The above text is excerpted from the Wikipedia article "Isotope", which has been released under the GNU Free Documentation License.
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Science News
October 14, 2024
Oct. 14, 2024 — NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with an enormous subsurface ocean that may have conditions to support life. The largest spacecraft NASA ever built for a mission headed to ...
Oct. 11, 2024 — Astronomers have used the NASA/ESA James Webb Space Telescope (JWST) to observe the 'inside-out' growth of a galaxy in the early universe, only 700 million years after the Big ...
Oct. 11, 2024 — Scientists analyzed hairs extracted from the broken teeth of two 19th century 'man-eater' lions. Their analysis revealed DNA from giraffe, human, oryx, waterbuck, wildebeest and zebra as prey, along with hairs that originated from the ...
Oct. 9, 2024 — Fungi don't have eyes or a brain, but their intelligent behaviors may surprise you. New research suggests that fungi may be able to recognize ...
Latest Headlines
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Oct. 9, 2024 — Triple negative breast cancer (TNBC) remains the most aggressive and deadly type of breast cancer, but new findings from cancer researchers are pointing the way toward therapeutic strategies that ...
Oct. 11, 2024 — Novel magnetic nanodiscs could provide a much less invasive way of stimulating parts of the brain, paving the way for stimulation therapies without implants or genetic modification, researchers ...
Oct. 11, 2024 — Targeted protein degradation has opened up a new field of drug discovery with potential to treat previously 'undruggable' diseases. The work means ...
Oct. 11, 2024 — Researchers have linked specific frequent defects in sperm to risk of pregnancy complications and negative impacts on the health of the baby. The study shows that high proportion of father's ...
Oct. 11, 2024 — Researchers have developed a new method to recreate a robust and functional human immune system in mice using mononuclear cells from the cord blood. This new kind of mice, that count with most of the ...
Oct. 11, 2024 — Scientists have identified a protein that blocks the activity of bone-forming cells (osteoblasts) by stopping them from maturing during the journey ...
Oct. 11, 2024 — New study documents a severe coral bleaching event occurring in a deep coral reef that resulted in high rates of coral mortality. Unlike many ...
Oct. 11, 2024 — Sometimes, we try to capture a QR code with a good digital camera on a smartphone, but the reading eventually fails. This usually happens when the QR code itself is of poor image quality, or if it ...
Oct. 11, 2024 — New research suggests a person's feelings towards a parent can be significantly changed when they are asked to evaluate them during talking therapy, ...
Oct. 11, 2024 — Researchers have made a significant advancement in understanding the underlying heating mechanism of the sun's atmosphere, finding that reflected plasma waves could drive the heating of coronal ...