CalTechNews - Bioengineering and Biotechnology http://www.caltechnews.com Tue, 22 May 2012 21:08:24 +0100 FeedCreator 1.7.2 Chemical Exposure Raises Descendants' Sensitivity to Stress http://www.caltechnews.com/article/chemical_exposure_raises_descendants_sensitivity_to_stress Researchers at The University of Texas at Austin and Washington State University have seen an increased reaction to stress in animals whose ancestors were exposed to an environmental compound generations earlier. CalTechNews Mon, 21 May 2012 20:27:59 +0100 Zooming in On Bacterial Weapons in 3-D http://www.caltechnews.com/article/zooming_in_on_bacterial_weapons_in_3-d The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus CalTechNews Mon, 21 May 2012 20:17:07 +0100 How Birds Learn Songs: Motor Control Insights http://www.caltechnews.com/article/how_birds_learn_songs_motor_control_insights To learn its signature melody, the male songbird uses a trial-and-error process to mimic the song of its father, singing the tune over and over again CalTechNews Sun, 20 May 2012 22:53:12 +0100 32,000-Year-Old Plant Reborn From Ancient Fruit http://www.caltechnews.com/article/32,000-year-old_plant_reborn_from_ancient_fruit Researchers in Russia have revived a fertile plant from the remains of 32,000-year-old fruit that was found buried within the fossilized burrows of ancient squirrels deep in the Siberian ice CalTechNews Thu, 17 May 2012 11:14:11 +0100 Ancient Sea Reptile With Gammy Jaw Suggests Dinosaurs Got Arthritis Too http://www.caltechnews.com/article/ancient_sea_reptile_with_gammy_jaw_suggests_dinosaurs_got_arthritis_too Imagine having arthritis in your jaw bones ... if they're over 2 meters long! A study by scientists has found signs of a degenerative condition similar to human arthritis in the jaw of a pliosaur, an ancient sea reptile that lived 150 million years ago CalTechNews Tue, 15 May 2012 23:13:33 +0100 Sulfur Finding May Hold Key to Gaia Theory of Earth as Living Organism http://www.caltechnews.com/article/sulfur_finding_may_hold_key_to_gaia_theory_of_earth_as_living_organism Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery made at the University of Maryland may provide a key to answering this question CalTechNews Tue, 15 May 2012 22:35:11 +0100 Plant Protein Discovery Could Boost Bioeconomy http://www.caltechnews.com/article/plant_protein_discovery_could_boost_bioeconomy Research groups from Iowa State University and the Salk Institute for Biological Studies have uncovered the function of three plant proteins, a discovery that could help plant scientists boost seed oil production in crops CalTechNews Mon, 14 May 2012 17:19:34 +0100 Growing Fingers Like Birds Grow Feathers? http://www.caltechnews.com/article/growing_fingers_like_birds_grow_feathers_ This summer's action film, "The Amazing Spider-Man™," is another match-up between the superhero and his nemesis the Lizard. Moviegoers and comic book fans alike will recall that the villain CalTechNews Thu, 10 May 2012 22:31:17 +0100 Polar Bear Ancestry Traced Back 600,000 Years http://www.caltechnews.com/article/polar_bear_ancestry_traced_back_600,000_years Researchers from the German Biodiversity and Climate Research Centre (BiK]F) shows the largest arctic carnivore to be five times older than previously recognized CalTechNews Fri, 20 Apr 2012 22:15:04 +0100 Ravens Remember Their Friends http://www.caltechnews.com/article/ravens_remember_their_friends In daily life we remember faces and voices of several known individuals. Similarly, mammals have been shown to remember calls and faces of known individuals after a number of years CalTechNews Fri, 20 Apr 2012 06:44:55 +0100