![Millions of monarch butterflies are expected to migrate south in less than a month in their seasonal trip from Canada to Mexico. Ecologists in Kansas and Missouri say extreme temperatures in the Midwest could hurt their southern migration. (Photo: AP Photo/Toby Talbot)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/AP821629797604-610x496.jpg)
Millions of monarch butterflies are expected to migrate south in less than a month in their seasonal trip from Canada to Mexico. Ecologists in Kansas and Missouri say extreme temperatures in the Midwest could hurt their southern migration. (Photo: AP Photo/Toby Talbot)
![NASA's new Mars rover Curiosity's takes a panoramic picture of itself by its navigation cameras. The picture is actually a mosaic of multple shots taken by the Mars rover. (Image: NASA/JPL-Caltech)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/675132main_image_2331_1600-1200-610x457.jpg)
NASA’s new Mars rover Curiosity takes a panoramic picture of itself by its navigation cameras. The picture is actually a mosaic of multiple shots taken by the Mars rover. (Image: NASA/JPL-Caltech)
![That's sure one big snake! Researchers at the Florida Museum of Natural History on the University of Florida campus prepare to examine the anatomy of a 17-foot-7-inch Burmese python, the largest found in Florida so far. The more than 75 kg snake carried a state record 87 eggs in its oviducts. (Photo: Unniversity of Florida photo by Kristen Grace/Florida Museum of Natural History)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/bigpython1-610x845.jpg)
That’s sure one big snake! Researchers at the Florida Museum of Natural History on the University of Florida campus prepare to examine the anatomy of a 17-foot-7-inch Burmese python, the largest found in Florida so far. The more than 75 kg snake carried a state record 87 eggs in its oviducts. (Photo: University of Florida photo by Kristen Grace/Florida Museum of Natural History)
![NASA's Orion spacecraft will take astronauts on missions to destinations far beyond Earth, such as to an asteroid and Mars. This photo shows one of Orion’s main parachutes undergoing a test of recovery procedures for the parachutes. (Photo: NASA/James Blair)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/675662main_image_2333_1600-1200-610x457.jpg)
NASA’s Orion spacecraft will take astronauts on missions to destinations far beyond Earth, such as to an asteroid and Mars. This photo shows one of Orion’s main parachutes undergoing a test of recovery procedures for the parachutes. (Photo: NASA/James Blair)
![Cave divers exploring a submarine lava tube cave in the Canary Islands for a National Science Foundation-supported expedition,"Survey of Anchialine Cave Fauna of the Bahama Islands" (Photo: Jill Heinerth/NSF)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/PF2335_team_h-610x405.jpg)
Cave divers exploring a submarine lava tube cave in the Canary Islands for a National Science Foundation-supported expedition, ‘Survey of Anchialine Cave Fauna of the Bahama Islands’ (Photo: Jill Heinerth/NSF)
![Lab on a chip (LOC) devices are microchip-size systems that can prepare and analyze tiny fluid samples with volumes ranging from a few microliters (millionth of a liter) to sub-nanoliters (less than a billionth of a liter)—and some day could revolutionize how laboratory tasks such as diagnosing diseases and investigating forensic evidence are performed. (Photo: Cooksey/NIST)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/microfluidic-lab-610x430.jpg)
Lab on a chip (LOC) devices are microchip-size systems that can prepare and analyze tiny fluid samples with volumes ranging from a few microliters (millionth of a liter) to sub-nanoliters (less than a billionth of a liter) and some day could revolutionize how laboratory tasks such as diagnosing diseases and investigating forensic evidence are performed. (Photo: Cooksey/NIST)
![Turning its eye to the Tarantula Nebula, the NASA/ESA Hubble Space Telescope has taken this close-up of the outskirts of the main cloud of the Nebula. The Tarantula Nebula is located in the Large Magellanic Cloud, one of our neighboring galaxies, and situated at a distance of 170,000 light-years away from Earth. (Photo: European Space Agency/Judy Schmidt)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/675693main_potw1232a-610x547.jpg)
Turning its eye to the Tarantula Nebula, the NASA/ESA Hubble Space Telescope has taken this close-up of the outskirts of the main cloud of the Nebula. The Tarantula Nebula is located in the Large Magellanic Cloud, one of our neighboring galaxies, and situated at a distance of 170,000 light-years away from Earth. (Photo: European Space Agency/Judy Schmidt)
![Juvenile crocodile captured in Homestead, Fla. Since the croc monitoring program began at the plant in 1978, some 5,000 hatchlings have been captured and marked. (AP Photo/Wilfredo Lee)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/AP857752885471-610x369.jpg)
Juvenile crocodile captured in Homestead, Florida. Since the croc monitoring program began at the plant in 1978, some 5,000 hatchlings have been captured and marked. (AP Photo/Wilfredo Lee)
![The heat shield for NASA's Mars Science Laboratory is being prepared at Lockaheed Martin Space Systems, Denver. It's the largest ever built for a planetary mission. (Photo: NASA/JPL-Caltech/Lockheed Martin)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/674590main_medli_success2_lg-610x457.jpg)
The heat shield for NASA’s Mars Science Laboratory is being prepared at Lockaheed Martin Space Systems in Denver. It’s the largest ever built for a planetary mission. (Photo: NASA/JPL-Caltech/Lockheed Martin)
![Female pillar coral releases eggs in the Florida Keys National Marine Sanctuary. Researchers say it was the first time anyone has observed female pillar coral spawning. (Photo; AP Photo/Florida Fish and Wildlife Commission, Karen Neely)](https://webarchive.library.unt.edu/web/20130318044347im_/http://blogs.voanews.com/science-world/files/2012/08/AP138041748785-610x754.jpg)
Female pillar coral releases eggs in the Florida Keys National Marine Sanctuary. Researchers say it was the first time anyone has observed female pillar coral spawning. (Photo; AP Photo/Florida Fish and Wildlife Commission, Karen Neely)