Search query: past

Categories: All Categories


13142 records searched, 662 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

Offbeat: General Offbeat: Space Space: Exploration Space: General Space: The Solar System
Published

Biomolecules from formaldehyde on ancient Mars      (via sciencedaily.com)     Original source 

Organic materials discovered on Mars may have originated from atmospheric formaldehyde, according to...

Chemistry: Biochemistry
Published

Glimpse into the nanoworld: Microscope reveals tiniest cell processes      (via sciencedaily.com)     Original source 

What does the inside of a cell really look like? In the past, standard microscopes were limited in h ...

Environmental: Ecosystems Geoscience: Environmental Issues Paleontology: Climate
Published

Insolation affected ice age climate dynamics      (via sciencedaily.com)     Original source 

In past ice ages, the intensity of summer insolation affected the emergence of warm and cold periods ...

Environmental: General Geoscience: Environmental Issues
Published

Demand for low-quality credits undermines the voluntary carbon market, study finds      (via sciencedaily.com)     Original source 

Researchers have shown that the 20 companies retiring the most offsets from the voluntary carbon mar...

Environmental: Ecosystems Environmental: General Environmental: Wildfires
Published

Anthropologist documents how women and shepherds historically reduced wildfire risk in Central Italy      (via sciencedaily.com)     Original source 

Fire management lessons from the past could help to improve resilience as the Mediterranean faces in ...

Geoscience: Severe Weather
Published

Modeling the past to understand the future of a stronger El Niño - Modeling the Past to Understand the Future of a Stronger El Niño      (via sciencedaily.com)     Original source 

El Nino is not a contemporary phenomenon; it’s long been the Earth’s dominant source of year-to-year...

Geoscience: Environmental Issues
Published

Ancient ice reveals scores of gigantic volcanic eruptions - Ancient Ice Reveals Scores of Gigantic Volcanic Eruptions      (via sciencedaily.com) 

Ice cores drilled in Antarctica and Greenland have revealed gigantic volcanic eruptions during the l...

Environmental: Ecosystems
Published

Using fossil plant molecules to track down the Green Sahara - Using Fossil Plant Molecules to Track Down the Green Sahara      (via sciencedaily.com)     Original source 

Researchers have developed a new concept to explain the phenomenon known as Green Sahara. They demon...

Geoscience: Geomagnetic Storms
Published

Solar activity research provides insight into sun's past, future - Solar Activity Research Provides Insight into Sun's Past, Future      (via sciencedaily.com) 

Scientists have developed a new technique for looking at historic solar data to distinguish trustwor...