Search query: once
Categories: All Categories
13142 records searched, 619 records found, 20 matches displayed
< Previous 20 articles Next 20 articles >
Search Hints:
- Use a + (plus sign) or - (minus sign) to include or exclude a word: +mars -venus
- Use a ? (question mark) as a wildcard for a single letter: te?t (test,text)
- Use a * (asterisk) as a wildcard for multiple letters: he*t (heat, heart)
- Use a ~ (tilde) to expand word endings: meteor~ (meteorite, meteorid, meteorology)
Most frequent words for articles published in the last 45 days:
developed (95),
climate (85),
team (83),
species (75),
cells (74),
used (72),
human (64),
help (61),
change (60),
water (60),
years (60),
data (57),
energy (55),
such (53),
carbon (51),
discovered (50),
time (48),
like (47),
materials (46),
even (44)
Published Color-changing material shows when medications get too warm - Color-changing Material Shows When Medications Get Too Warm



Some foods and medicines, such as many COVID-19 vaccines, must be kept cold. As a step toward a robu...
Published How cells correct errors under time pressure - How Cells Correct Errors Under Time Pressure


How does a cell balance risk and speed when dividing? Scientists have developed and experimentally t...
Published A butterfly flaps its wings and scientists make jewelry - A Butterfly Flaps Its Wings and Scientists Make Jewelry


In the 'butterfly effect,' an insect can flap its wings and create a microscopic change in initial c...
Published Uncovering universal physics in the dynamics of a quantum system - Uncovering Universal Physics in the Dynamics of a Quantum System



New experiments using one-dimensional gases of ultra-cold atoms reveal a universality in how quantum...
Published Cheetahs need more space: Reintroduction in India must consider their spatial ecology - Cheetahs Need More Space: Reintroduction in India Must Consider Their Spatial Ecology



In autumn 2022 and winter 2023, a total of 20 cheetahs from Namibia and South Africa were introduced...
Published Engineers tap into good vibrations to power the Internet of Things - Engineers Tap into Good Vibrations to Power the Internet of Things



In a world hungry for clean energy, engineers have created a new material that converts the simple m...
Published Gene editing tool could help reduce spread of antimicrobial resistance - Gene Editing Tool: A Potential Solution to Antimicrobial Resistance



A new tool which could help reduce the spread of antimicrobial resistance is showing early promise,...
Published Drug decelerates bacterial race to antibiotic resistance - Drug Decelerates Bacterial Race to Antibiotic Resistance



Researchers report that, in laboratory cultures and animal models, a drug significantly reduces the...
Published New study could help pinpoint hidden helium gas fields -- and avert a global supply crisis - New Study Could Help Pinpoint Hidden Helium Gas Fields -- and Avert a Global Supply Crisis


Helium -- essential for many medical and industrial processes -- is in critically short supply world...
Published Sea otters killed by unusual parasite strain - Sea Otters Killed by Unusual Parasite Strain


An unusually severe form of toxoplasmosis killed four sea otters and could pose a threat to other ma...
Published New look at climate data shows substantially wetter rain and snow days ahead - New Look at Climate Data Shows Substantially Wetter Rain and Snow Days Ahead



A new look at climate data shows that, by the end of the century, the heaviest days of rain and snow...
Published Unlocking the secrets of the ancient coastal Maya - Unlocking the Secrets of the Ancient Coastal Maya


After more than a decade of research, scientists share what they have learned about the people who l...
Published Climate action plans mobilize limited urban change, researchers report - Climate Action Plans: Mobilizing Limited Urban Change



The Intergovernmental Panel on Climate Change Fifth Assessment Report (AR5), released just prior to...
Published Researchers trace dust grain's journey through newborn solar system - Researchers Trace Dust Grain's Journey Through Newborn Solar System


Combining atomic-scale sample analysis and models simulating likely conditions in the nascent solar...
Published New ancient 'marine crocodile' discovered on UK's Jurassic Coast -- and it's one of the oldest specimens of its type ever found - New Ancient 'Marine Crocodile' Discovered on UK's Jurassic Coast


A new study has uncovered a new thalattosuchian -- an ancient 'sister' of modern-day crocodiles' anc...
Published Jellyfish-like robots could one day clean up the world's oceans - Jellyfish-like Robots Could One Day Clean Up the World's Oceans



Roboticists have developed a jellyfish-inspired underwater robot with which they hope one day to col...
Published Biological invasions as costly as natural disasters - Biological Invasions: A Costly Disaster



Over the past 40 years, the financial losses caused by biological invasions have been equivalent to...
Published Microneedle-based drug delivery technique for plants - Microneedle-Based Drug Delivery Technique for Plants


The agriculture industry is under pressure to adopt sustainable and precise agricultural practices t...
Published Complex assembly process involved in DNA virus replication - Complex Assembly Process Involved in DNA Virus Replication



In a twist on the question, 'Which came first, the chicken or the egg?', scientists have long faced...
Published Researchers warn of tick-borne disease babesiosis - Researchers Warn of Tick-Borne Disease Babesiosis



Scientists report the first high-quality nuclear genome sequence and assembly of the pathogen B. dun...