3781 to 3792 of 14094 results
We simulated the effects of the 21 August 2017 total solar eclipse on the ionosphere‐thermosphere system with the Global Ionosphere Thermosphere Model (GITM). The simulations demonstrate that the horizontal neutral […]
Fish scales are mineralized structures that play important roles in protection and mineral homeostasis. This tissue expresses multiple estrogen receptor subtypes and can be targeted by estrogens or estrogenic endocrine-disrupting […]
We present the first objective quantitative assessment of the threats to all 359 species of seabirds, identify the main challenges facing them, and outline priority actions for their conservation. We […]
It has long been supposed that repeated exposure of a man to cold conditions might be expected to produce changes within him which would better enable him to stand up […]
The use of oats as phytometers for seasonal studies of microclimatic favourability and nutrient limitations is reported. The effect of age and development on growth parameters in long‐term experiments is […]
The growth of the rhizomatous perennial Acaena magellanica was studied in a variety of communities on South Georgia (54-55⚬ S, 36-38⚬ W). Maximum leaf area per shoot and leaf number […]