Intermediate Word:  dilatente -  (a) one who is open to new ideas  (b) dilating agent (c) dabbler  (d) solvent
Difficult Word: - valgus  (a) membrane separating the chest and abdominal cavities  (b) indelible-ink-based branding iron  (c) instrument for examining the larynx  (d) knock-kneed person

Setting SETI's Sights: Latest Planet Discovery Suggests New Targets - Space.com  SETI scientists are taking notice of the latest discovery of a "Super-Earth" beyond the solar system as they fine-tune their list of stars to target in their search for extraterrestrial intelligence. With the recent announcement of a planet seven to eight times the Earth’s mass circling an M dwarf star, the chances for habitable worlds seem greater than ever. "It's at least a tentative indication that small planets might be commonplace.    
Super Predators And Mass Extinctions - SpaceDaily  Mass extinctions seem to occur on Earth roughly every 26 million years, leading some scientists to propose that they may be caused by rare collisions with comets or asteroids. A researcher in Poland thinks it may be possible that extraordinary predators are at fault instead. Adam Lipowski (Adam Mickiewicz University) constructed a numerical model of many species competing for both food and living space. The model also included a term that controls mutation rates, allowing new species to develop over time. The model shows that, much of time, the system is populated with "medium efficiency" predators whose numbers fluctuate only slightly as the prey population waxes and wanes. Inevitably, their stable community is disrupted when mutations lead to a super predator that quickly decimates the prey population, which in turn leads to its own demise.   

Holographic Movies Show Promise For Medical, Military Applications - SpaceDaily  Dr. Garner's Web site contains technical details and sample holographic movies. Holographic patterns, when fed into the digital light processing micro-mirror chip, cause the tiny mirrors to change in a way that, when laser light is reflected off them, projects a 3-D moving image that appears suspended in air, in a special material called agarose gel, or on a stack of liquid crystal plates similar to computer screens.    "I predict that by the year 2020, that being the year of 'perfect vision,' we will have Holo TV in our homes," said Dr. Michael Huebschman, a postdoctoral researcher in Dr. Garner's lab and one of the developers of the technology.

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