Quantcast

Science News Archive - April 19, 2011

ac3d2f5d029828bd1a2373dbf3548cf91

A reptile that lived 275 million years ago in present day Oklahoma is giving paleontologists a glimpse of the oldest known toothache, predating by 200 million years the previous record for the earliest known evidence of tooth decay in a terrestrial vertebrate.

19b70c0d308dfd7676b8f998e16c77871

Feathers collected from the rare Pacific black-footed albatross over the past 120 years have helped researchers from Harvard University track increases in the neurotoxin methylmercury in the endangered bird, which forages extensively throughout the Pacific.

a0e33884746578f3cdf1fc0eddd964171

Just days before Earth Day, tropical dry forests in the Brazilian state of Minas Gerais received good news as members of the Superior Court of Minas Gerais overturned a state law that altered the status of the 6,000 square-mile forest’s protection.

25a1db4074120b4919fb508ab34227891

The harmful effects of ozone that exist at low levels in the earth’s atmosphere can be reduced when charging is done at night for electric vehicles, a new study has found.

e98b4c4ebe1089a444a0da54efe3842d1

The massive subduction zone earthquake in Japan caused a significant level of soil “liquefaction” that has surprised researchers with its widespread severity, a new analysis shows.

369acd6b1f08e027c269e003e39f1acd1

Big marine protected areas (MPAs) are cheaper to manage per hectare than small ones, and no-fishing zones are cheaper to manage than multiple-use zones, a new study has found.

3592f1d553a369efbefeb9b489043c1e1

A little information can go a long way when it comes to understanding rodent-borne infectious disease, as shown by a new study led by scientist John Orrock of the University of Wisconsin-Madison and colleagues.

17a3a90b491f42c03425ee66a246afb31

More than 40 species of fish that are native to the Mediterranean Seas are threatened with extinction in the next few years.

b3b739d9c70ff55ea6d8b1857fe486981

The GOES-13 satellite captured images of the powerful weather system that triggered severe weather in the southern US this weekend, and NASA created an animation to show its progression.

With ubiquitous social media sites like Facebook and Twitter blurring private and professional lines, there is an increasing need for physicians to create a healthy distance between their work and home online identities, two Beth Israel Deaconess Medical Center physicians assert.

Word of the Day
megalophonous
  • Having a loud voice; vociferous; clamorous.
  • Of grand or imposing sound.
The word 'megalophonous' comes from Greek roots meaning 'big' and 'sound'.