Search query: challenge

Categories: All Categories


13142 records searched, 2027 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)


Return to the site home page

Space: Exploration Space: Structures and Features
Published

Antihelium nuclei as messengers from the depths of the galaxy - Antihelium Nuclei: Messengers from the Depths of the Galaxy      (via sciencedaily.com) 

How are galaxies born, and what holds them together? Astronomers assume that dark matter plays an es...

Mathematics: Statistics
Published

New data analysis tool uncovers important COVID-19 clues - New Data Analysis Tool Uncovers Important COVID-19 Clues      (via sciencedaily.com) 

A new data analysis tool has revealed the specific immune cell types associated with increased risk...

Geoscience: Severe Weather
Published

Reef castaways: Can coral make it across Darwin's 'impassable' barrier? - Reef Castaways: Can Coral Make It Across Darwin's 'Impassable' Barrier?      (via sciencedaily.com) 

An international team of researchers have shown that vulnerable coral populations in the eastern tro...

Geoscience: Severe Weather
Published

Indian monsoon: Novel approach allows early forecasting - Indian Monsoon: A Novel Approach for Early Forecasting      (via sciencedaily.com) 

The Indian monsoon's yearly onset and withdrawal can now be forecasted significantly earlier than pr...

Geoscience: Severe Weather
Published

Gulf of Mexico marine food web changes over the decades - Gulf of Mexico Marine Food Web Changes Over the Decades      (via sciencedaily.com) 

Scientists in the Gulf of Mexico now have a better understanding of how naturally-occurring climate...

Geoscience: Landslides
Published

Study explores uncertainties in flood risk estimates - Study Explores Uncertainties in Flood Risk Estimates      (via sciencedaily.com) 

Flood frequency analysis is a technique used to estimate flood risk, providing statistics such as th...

Environmental: Ecosystems Geoscience: Environmental Issues
Published

Ozone depletion over North Pole produces weather anomalies - Ozone Depletion Over North Pole Produces Weather Anomalies      (via sciencedaily.com) 

Researchers have established that the destruction of ozone over the Arctic in the spring causes abno...

Geoscience: Environmental Issues
Published

Underlying assumptions of air quality need to be redefined - Underlying Assumptions of Air Quality Need to be Redefined      (via sciencedaily.com) 

Long-term measurements in the urban area of Innsbruck, Austria, show that the fraction of ozone near...

Energy: Alternative Fuels Geoscience: Environmental Issues
Published

Researchers develop new biobattery for hydrogen storage - Researchers Develop New Biobattery for Hydrogen Storage      (via sciencedaily.com) 

A team of microbiologists has succeeded in using bacteria for the controlled storage and release of...

Mathematics: Statistics
Published

New insight into machine-learning error estimation - New Insight into Machine-Learning Error Estimation      (via sciencedaily.com) 

Scientists are evaluating machine-learning models using transfer learning principles. ABSTRACT: New...

Geoscience: Geomagnetic Storms
Published

Can ripples on the sun help predict solar flares? - Can Ripples on the Sun Help Predict Solar Flares?      (via sciencedaily.com) 

Scientists discovered in 1996 that sunquakes are linked to solar flares. Now, using helioseismic hol...

Geoscience: Geomagnetic Storms
Published

NASA data helps new model predict big solar flares - NASA Data Helps New Model Predict Big Solar Flares      (via sciencedaily.com) 

Scientists have developed a new model that successfully predicted seven of the Sun's biggest flares...