Search query: hard
Categories: All Categories
13142 records searched, 217 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 Looking to sea urchins for stronger ceramic foams - Looking to Sea Urchins for Stronger Ceramic Foams


New research has unlocked a mystery in the porous microstructures of sea urchin exoskeletons that co...
Published 'Fantastic giant tortoise,' believed extinct, confirmed alive in the Galápagos - Fantastic Giant Tortoise Believed Extinct Confirmed Alive in the Galápagos


A tortoise from a Galápagos species long believed extinct has been found alive. Fernanda, named afte...
Published Bald eagles aren't fledging as many chicks due to avian influenza - Bald Eagles Struggle to Fledge Chicks Due to Avian Influenza


Bald eagles are often touted as a massive conservation success story due to their rebound from near...
Published Single-molecule valve: Breakthrough in nanoscale control - Single-Molecule Valve: A Breakthrough in Nanoscale Control



A research group has succeeded in regulating the flow of single molecules in solution by opening and...
Published New fossil reveals origin of arthropod breathing system - New Fossil Reveals Origin of Arthropod Breathing System


Scientists have discovered a new fossil that reveals the origin of gills in arthropods. ABSTRACT: Ne...
Published Discovery could lead to new fungicides to protect rice crops - Discovery Could Lead to New Fungicides to Protect Rice Crops


In some years, rice blast disease destroys more than one quarter of the harvest worldwide. But it's...
Published Listening to nanoscale earthquakes - Unraveling the Mysteries of Nanoscale Earthquakes


A recent study presents an exciting new way to listen to 'the crackling' noise of atoms shifting at...
Published Earthquake lab experiments produce aftershock-like behavior - Earthquake Lab Experiments Produce Aftershock-Like Behavior


Earthquakes are notoriously hard to predict, and so too are the usually less-severe aftershocks that ...
Published Describing the devastating eruption in Tonga - Describing the Devastating Eruption in Tonga


On January 15, the volcano Hunga Tonga-Hunga Ha'apai devastated the nation of Tonga. The eruption tr...
Published Earthworms like to eat some plastics, but side effects of their digestion are unclear - Earthworms like to eat some plastics, but side effects of their digestion are unclear


Earthworms are a welcome sight for gardeners and farmers because the wriggling invertebrates recycle...
Published January 2020 Puerto Rico earthquake provides valuable data for ground failure models - January 2020 Puerto Rico Earthquake Provides Valuable Data for Ground Failure Models


Field surveys conducted in the days after the 7 January 2020 Puerto Rico earthquake documented more...
Published Wind music causes less transmission than singing, study finds - Wind Music Causes Less Transmission Than Singing, Study Finds


The risk of transmission from an infected person on a wind instrument is generally much lower than f...
Published Tooth enamel provides clues to hunter-gatherer lifestyle of Neanderthals - Tooth Enamel Provides Clues to Hunter-Gatherer Lifestyle of Neanderthals



A study has given an intriguing glimpse of the hunting habits and diets of Neanderthals and other hu...
Published New method improves efficiency of 'vision transformer' AI systems - New Method Improves Efficiency of 'Vision Transformer' AI Systems



Vision transformers (ViTs) are powerful artificial intelligence (AI) technologies that can identify...
Published Whiskers help nectar-eating 'acro bats' hover like hummingbirds - Whiskers Help Nectar-Eating 'Acro Bats' Hover Like Hummingbirds


A new study found that nectar-feeding bats evolved extra-long whiskers unlike those of any other bat...
Published Fuel cells and game-changing tech to remove 99% of carbon dioxide from air - Fuel Cells and Game-Changing Tech to Remove 99% of Carbon Dioxide from Air


Engineers have demonstrated a way to effectively capture 99% of carbon dioxide from air using a nove...
Published An Old Yellow Enzyme helps algae combat photooxidative stress - An Old Yellow Enzyme Helps Algae Combat Photooxidative Stress


Old Yellow Enzymes (OYEs) were discovered in the 1930s and have been the subject of much research ev...
Published New eyes discovered in trilobites - New Eyes Discovered in Trilobites: A Fascinating Discovery


Researchers have detected previously overlooked eyes whose form and function could help to improve t...
Published A soft, stimulating scaffold supports brain cell development ex vivo - A Soft, Stimulating Scaffold Supports Brain Cell Development ex vivo


Brain-computer interface companies like Neuralink are in the news a lot these days for their potenti...
Published Next-generation wireless technology may leverage the human body for energy - Next-Generation Wireless Technology: Leveraging the Human Body for Energy


While you may be just starting to reap the advantages of 5G wireless technology, researchers through...