Category: Science
Mitochondrial stress is passed on between generations
EDITOR'S CHOICE IN CELL BIOLOGYThe paperQ. Zhang et al., "The memory of neuronal mitochondrial stress is transgenerationally inherited through increased mitochondrial DNA levels." Nat Cell Biol, 23: 870-80, 2021.UUnder stress, mitochondria rapidly increase their copy number - that is,
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2,000-year-old salmon DNA reveals the secret of sustainable fishing
A A team of scientists working with the Tsleil-Waututh Nation, one of the coastal Salish peoples who have inhabited the northwest coast of North America for millennia, has uncovered how local indigenous communities managed the salmon fishery without exhausting
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Genome Spotlight: California Sea Gooseberry (Hormiphora californensis)
F.or biologists, the quintessence of the debate is which came first, not chicken or egg, but sponge or ktenophore. The dispute over which of these groups constitutes the earliest branch of the ancestor of all animals has been going
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Johnson & Johnson vaccine receives first full approval
Johnson & Johnson announced today (Nov. 24) that its COVID-19 vaccine has been fully approved by Health Canada for people 18 years of age and older. The approval follows data from a clinical study conducted by the drug company
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Improving cancer diagnostics with circulating tumor cells in the blood
Profiling circulating tumor cells (CTCs) from the blood is an attractive alternative to invasive and painful biopsies for cancer diagnosis. However, their low incidence, blood cell contamination, and cell death during cleaning are barriers to the successful adoption of
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Over-the-counter antihistamines may help fight cancer
Immunotherapy aims to make the body's own immune system an ally in the fight against cancer, for example by stimulating T cells to recognize and kill unwanted tumor cells. Unfortunately, it does not work in every patient, as tumors
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Simplified PCR setup with the INTEGRA pipette range
INTEGRA Biosciences' range of liquid handling tools provides scientists worldwide with the solutions they need for their PCR workflows. The company offers a range of options for manual, electronic or fully automatic pipetting and volumes between 0.2 µl and
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Walter Gratzer, biophysical chemist and science author, dies at the age of 89
W.Alter Gratzer, a biophysical chemist known for his popular science writings, died on October 20 at the age of 89.Grazter was born on September 20, 1932 in a city called Breslau, Germany (now Breslau, Poland) according to an obituary
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Exposure to chemicals from babies related to aggression
P.Heromones are known to trigger the olfactory system in animals and have been linked to mating and aggressive behavior. For example, compounds in the urine of mice can cause male mice to fight each other, and a mother rabbit
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Gut infections help protect gut neurons from future damage
D.Gastrointestinal infections can devastate the intestinal nervous system and lead to persistent digestive problems. But if they have an advantage, it's that they can steel the gut against future attacks: the gut neurons of mice previously infected with either
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