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"Sonneborn, Scott"
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Beware our power!
Evil Star and his army are on the loose! Luckily, Hal Jordan, the Green Lantern of Sector 2814, is hot on their trail. As Hal prepares to attack, a second Green Lantern shows up from Sector 2815. At first, Hal is grateful for the help, but Arisia doesn't share the feeling. She's a veteran member of the Green Lantern Corps and immediately takes charge. If the two can't cooperate, this super hero duo will become a dynamic disaster.
Book
Attack of the invisible cats
The Phanty-Cats have escaped from the Phantom Zone and finding them won't be easy. These feline felons are invisible! The Space Canine Patrol Agents must rely on their snouts instead of their sight to catch these criminal kitties once and for all.
Book
Exercise-Induced Stress Response as an Adaptive Tolerance Strategy
Interaction between the quality of the environment and the health of the exposed population determines the survival response of living organisms. The phenomenon of induced tolerance by exposure to threshold levels of stressors to stimulate natural defense mechanisms has potential therapeutic value. The paucity of information on predictability of individual response and information on the operative fundamental mechanisms limit applicability of the adaptive tolerance strategy. A potential biomarker of the stress response includes members of the stress-inducible ubiquitin gene family. Transcript sizes detected with Northern blot analysis identify different classes of ubiquitin gene family members and the intensity of the radioactive signal allows abundance determinations. Using moderate exercise as the stressor, significant increase (p < 0.028) in abundance of inducible polyubiquitin genes was found in human blood. Both the potential of exercise as a model system of a natural stress inducer and polyubiquitin as a biomarker of stress were established in these studies.
Journal Article
Captain Cold and the blizzard battle
When Icicle, another supervillain with wintry powers, invades Central City and starts taking credit for all the evil-doing, Captain Cold is seriously annoyed--will he actually help the Flash defeat this competitor to regain his status as the city's main supervillain?
Book
Discovery of Five Candidate Analogs for \\(\\eta\\,\\)Carinae in Nearby Galaxies
The late-stage evolution of very massive stars such as \\(\\eta\\) Carinae may be dominated by episodic mass ejections which may later lead to Type II superluminous supernova (SLSN-II; e.g., SN 2006gy). However, as long as \\(\\eta\\) Car is one of a kind, it is nearly impossible to quantitatively evaluate these possibilities. Here we announce the discovery of five objects in the nearby (\\(\\sim4-8\\) Mpc) massive star-forming galaxies M51, M83, M101 and NGC6946 that have optical through mid-IR photometric properties consistent with the hitherto unique \\(\\eta\\) Car. The Spitzer mid-IR spectral energy distributions of these \\(L_{bol}\\simeq3-8\\times10^{6} L_\\odot\\) objects rise steeply in the \\(3.6-8 \\mu\\)m bands, then turn over between \\(8\\) and \\(24 \\mu\\)m, indicating the presence of warm (\\(\\sim400-600\\) K) circumstellar dust. Their optical counterparts in HST images are \\(\\sim1.5-2\\) dex fainter than their mid-IR peaks and require the presence of \\(\\sim5-10 M_\\odot\\) of obscuring material. Our finding implies that the rate of \\(\\eta\\) Car-like events is a fraction \\(f=0.094\\) (\\(0.040 < f < 0.21\\) at \\(90\\%\\) confidence) of the core-collapse supernova (ccSN) rate. If there is only one eruption mechanism and SLSN-II are due to ccSN occurring inside these dense shells, then the ejection mechanism is likely associated with the onset of carbon burning (\\(\\sim 10^3 - 10^4\\) years) which is also consistent with the apparent ages of massive Galactic shells.
Paper
Danger on deck!
Poison Ivy and Mr. Freeze fight each other for the right to ransom the passengers of a charity cruise, and it is up to Batman to defeat them and rescue the hostages.
Book
What is the Total Deuterium Abundance in the Local Galactic Disk?
Analyses of spectra obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite, together with spectra from the Copernicus and IMAPS instruments, reveal an unexplained very wide range in the observed deuterium/hydrogen (D/H) ratios for interstellar gas in the Galactic disk beyond the Local Bubble. We argue that spatial variations in the depletion of deuterium onto dust grains can explain these local variations in the observed gas-phase D/H ratios. We present a variable deuterium depletion model that naturally explains the constant measured values of D/H inside the Local Bubble, the wide range of gas-phase D/H ratios observed in the intermediate regime (log N(H I} = 19.2-20.7), and the low gas-phase D/H ratios observed at larger hydrogen column densities. We consider empirical tests of the deuterium depletion hypothesis: (i) correlations of gas-phase D/H ratios with depletions of the refractory metals iron and silicon, and (ii) correlation with the molecular hydrogen rotational temperature. Both of these tests are consistent with deuterium depletion from the gas phase in cold, not recently shocked, regions of the ISM, and high gas-phase D/H ratios in gas that has been shocked or otherwise heated recently. We argue that the most representative value for the total (gas plus dust) D/H ratio within 1 kpc of the Sun is >=23.1 +/- 2.4 (1 sigma) parts per million (ppm). This ratio constrains Galactic chemical evolution models to have a very small deuterium astration factor, the ratio of primordial to total (D/H) ratio in the local region of the Galactic disk, which we estimate to be f_d <= 1.19 +/-0.16 (1 sigma) or <= 1.12 +/- 0.14 (1 sigma) depending on the adopted light element nuclear reaction rates.
Paper