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 New models explain canyons on Pluto moon - New Models Explain Canyons on Pluto Moon


In 2015, when NASA's New Horizons spacecraft encountered the Pluto-Charon system, scientists discove...
Published New Horizons spacecraft homing in on Kuiper Belt target - New Horizons spacecraft homing in on Kuiper Belt target


Only hours from completing a historic flyby of Kuiper Belt object 2014 MU69, nicknamed Ultima Thule,...
Published New research documents domestic cattle genetics in modern bison herds - New Research Documents Domestic Cattle Genetics in Modern Bison Herds


A new study has revealed the strongest evidence to date that all bison in North America carry multip...
Published A quick new way to screen virus proteins for antibiotic properties - A Quick New Way to Screen Virus Proteins for Antibiotic Properties


A whole new world of antibiotics is waiting inside the viruses that infect bacteria. Scientists are...
Published High-status Danish Vikings wore exotic beaver furs - High-Status Danish Vikings Wore Exotic Beaver Furs


Beaver fur was a symbol of wealth and an important trade item in 10th Century Denmark, according to...
Published You can make carbon dioxide filters with a 3D printer - You Can Make Carbon Dioxide Filters with a 3D Printer



Researchers demonstrated that it's possible to make carbon dioxide capture filters using 3D printing...
Published Genome of Steller’s sea cow decoded - Genome of Steller's Sea Cow Decoded: A Breakthrough in Marine Biology


During the Ice Age, giant mammals such as mammoths, sabre-toothed cats and woolly rhinoceroses once ...
Published Completing genome of rusty patched bumble bee may offer new approach to saving endangered bee - Completing Genome of Rusty Patched Bumble Bee May Offer New Approach to Saving Endangered Bee



A detailed, high-resolution map of the rusty patched bumble bee's genome has been released, offering...
Published Arctic carbon conveyor belt discovered - Arctic Carbon Conveyor Belt Discovered: A New Climate Change Concern


Every year, the cross-shelf transport of carbon-rich particles from the Barents and Kara Seas could...
Published Improving image sensors for machine vision - Improving Image Sensors for Machine Vision


Researchers highlight the latest nanostructured components integrated on image sensor chips that are...
Published New trick up their sleeve - New Trick Up Their Sleeve: How Scientists are Using Nanoparticles to Fight Cancer


Nerve-damaging protein particles called prions have long been known to exist in mammals. Now, in a s...
Published Grid of quantum islands could reveal secrets for powerful technologies - Grid of Quantum Islands: Unlocking the Secrets to Powerful Technologies



Researchers have created grids of tiny clumps of atoms known as quantum dots and studied what happen...
Published Modified CRISPR-based enzymes improve the prospect of inserting entire genes into the genome to overcome diverse disease-causing mutations - Modified CRISPR-based Enzymes: A Promising Solution to Overcome Disease-Causing Mutations



Many genetic diseases are caused by diverse mutations spread across an entire gene, and designing ge...
Published Research team accelerates imaging techniques for capturing small molecules' structures - Research Team Accelerates Imaging Techniques for Capturing Small Molecules' Structures


A new research effort is accelerating imaging techniques to visualize structures of small molecules...
Published Attracting stem cells and facilitating bone regeneration by adhesive protein - Attracting Stem Cells and Facilitating Bone Regeneration by Adhesive Protein


Scientists have developed an osteogenic barrier coating material that maximizes the effect of guided...
Published Sensitive sensor detects Down syndrome DNA with blood test during pregnancy - Sensitive Sensor Detects Down Syndrome DNA with Blood Test During Pregnancy



According to the Centers for Disease Control and Prevention, Down syndrome is the most common birth...
Published Biologists, chemical engineers collaborate to reveal complex cellular process inside petunias - Biologists and Chemical Engineers Collaborate to Reveal Complex Cellular Process Inside Petunias


Once upon a time, prevailing scientific opinion might have pronounced recently published research as ...
Published Researcher uses graphene for same-time, same-position biomolecule isolation and sensing - Researcher Uses Graphene for Same-Time, Same-Position Biomolecule Isolation and Sensing


New research has overcome a major challenge to isolating and detecting molecules at the same time an...
Published Researchers use ultrasound waves to move objects hands-free - Researchers Use Ultrasound Waves to Move Objects Hands-Free


Researchers have discovered a new method to move objects using ultrasound waves, opening the door fo...
Published Sweet salvation -- how a sugar cane pathogen is gearing up a new era of antibiotic discovery - Sweet Salvation: How a Sugar Cane Pathogen is Gearing Up a New Era of Antibiotic Discovery



A potent plant toxin with a unique way of killing harmful bacteria has emerged as one of the stronge...