Nikk Ogasa

1 week ago | snexplores.org | Nikk Ogasa

bond: (in chemistry) A semi-permanent attachment between atoms — or groups of atoms — in a molecule. It’s formed by an attractive force between the participating atoms. Once bonded, the atoms will work as a unit. To separate the component atoms, energy must be supplied to the molecule as heat or some other type of radiation. computer model: A program that runs on a computer that creates a model, or simulation, of a real-world feature, phenomenon or event. crystal: (adj.

2 weeks ago | sciencenews.org | Nikk Ogasa

Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation. The impending loss of NASA’s Aura and the Canadian Space Agency’s SCISAT satellites threatens scientists’ ability to closely monitor compounds that destroy ozone and alter stratospheric circulation.

3 weeks ago | snexplores.org | Nikk Ogasa |Carolyn Wilke

aftershock: One or more smaller earthquakes which often follow a major earthquake. anaerobic: Occurring in the absence of oxygen. Anaerobic reactions take place in oxygen-free locations. bedrock: The thick, solid rock layer that underlies the soil and other broken, rocky materials on Earth’s surface. earthquake: A sudden and sometimes violent shaking of the ground, sometimes causing great destruction, as a result of movements within Earth’s crust or of volcanic action.

4 weeks ago | snexplores.org | Aaron Tremper |Nikk Ogasa |Stephen Ornes |Rachel Ehrenberg

Visit your local natural history museum gift shop and you’ll probably find a container of dinosaur toys for sale. Dump out its contents, though, and you’ll likely find some imposters, says Nathan Smith. He should know. He’s director and curator of the Dinosaur Institute in California. It’s part of the Natural History Museum of Los Angeles. Winged pterosaurs are a common fraud. So is the sail-backed carnivore, Dimetrodon. The word “dinosaur” isn’t a catch-all term for just any scaly, prehistoric giant.

1 month ago | snexplores.org | Nikk Ogasa

Arctic: A region that falls within the Arctic Circle. The edge of that circle is defined as the northernmost point at which the sun is visible on the northern winter solstice and the southernmost point at which the midnight sun can be seen on the northern summer solstice. The high Arctic is that most northerly third of this region. It’s a region dominated by snow cover much of the year. atmosphere: The envelope of gases surrounding Earth, another planet or a moon.