Could these fatty acids make Crohn’s worse?

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Some research has suggested that omega-3 fatty acids, abundant in fish oils, can relieve inflammation in Crohn’s disease. But a new study hints that we should be paying closer attention to what the other...

Tiny chemicals in the air raise risk of dying

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A type of air pollution that’s so small it’s invisible to the human eye is linked to an overall increase in risk of death, experts say. The small chemical particles—at less than one ten-thousandth of...

Efforts to save China’s pandas could rescue other species

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Chinese conservation measures to protect the charismatic giant panda in the wild also benefit other threatened species, including birds, mammals, and amphibians. “China has spectacular protected areas with exceptional numbers of species found nowhere else...

Teeth alter date of grassy diet for pre-humans

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Fossilized teeth suggest that our primate ancestors began adding grass-based food to their diets about 400,000 years earlier than experts once thought. The finding means early hominins took this important step—one of several in that...

Global ocean makes Saturn’s moon wobble

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By examining tiny wobbles of Saturn’s moon Enceladus—whose cosmic quavers are detectable only in high-resolution images taken by NASA’s Cassini spacecraft—planetary scientists have discovered that a global ocean lies beneath the moon’s thick icy...

Low vitamin D speeds up cognitive decline

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Older adults who don’t get enough vitamin D may experience cognitive decline at a much faster rate than people who have adequate vitamin D, a new study suggests. We obtain vitamin D—known for its importance...

These beetles are fighting a ‘war’ with predators

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Many scientists believe the very same dynamics that have shaped conflict between nations since the early 20th century also may govern how species evolve on Earth. Scientists are taking the arms-race model into the field...

Mermaid’s wineglass gets droopy in acidic ocean

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An increasingly acidic ocean is weakening the protective shell of mermaid’s wineglass, a tiny, single-celled alga that lives on shallow seafloors. Reaching a height of just a few inches, Acetabularia acetabulum sports a supportive skeleton...

Sierra Nevada snowpack lowest in 500 years

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Snowpack in California’s Sierra Nevada in 2015 was at the lowest level in the past five centuries, according to a study of blue oak tree rings. “Our study really points to the extreme character of...

3 antibiotics gang up to kill deadly staph

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As a trio, three antibiotics that aren’t individually effective against a drug-resistant staph infection killed the deadly pathogen in test tubes and mice. Researchers say the three-drug combo that killed the bug methicillin-resistant Staphylococcus aureus (MRSA) may...
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