All animals need energy to live. They use it to breathe, circulate blood, digest food and move. Young animals use energy to grow, and later in life, to reproduce.
Evolution
8 hours ago
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21
UN member states finally agreed Saturday to a text on the first international treaty after years of negotiations to protect the high seas, a fragile and vital treasure that covers nearly half the planet.
Environment
12 hours ago
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62
UN countries appeared Friday to be nearing an agreement on a long-awaited treaty to protect the high seas, a fragile and vital treasure that covers nearly half the planet.
Environment
Mar 4, 2023
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4
At least four people have died and nearly 41,000 evacuated in Malaysia after floodwaters caused by "unusual" torrential rains lasting days swept through several states, officials said Saturday.
Environment
Mar 4, 2023
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31
Modifying inflorescences with higher grain capacity is vital for crop grain production. One recurring target is to select inflorescences with more branches or floral structures. Prominent examples include genes affecting ...
Agriculture
Mar 3, 2023
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136
Climate, tectonics and time combine to create powerful forces that craft the face of our planet. Add the gradual sculpting of the Earth's surface by rivers and what to us seems solid as rock is constantly changing.
Earth Sciences
Mar 3, 2023
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1274
Until the world stops or slows our greenhouse gas emissions, we won't know just how severe climate change effects like sea level rise and extreme weather will be. A new framework could help communities when making often irreversible ...
Economics & Business
Mar 3, 2023
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3
In an ordinary Chicago winter, ice fishermen would still be scampering out onto the frozen stretches of Lake Michigan, toting fishing rods, drills—even pop-up shelters.
Earth Sciences
Mar 3, 2023
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14
From late June to early July 2021, an unprecedented heat wave swept across Western North America (WNA), causing considerable hazards to the regional society and economy. What is the likelihood of a similar heat wave under ...
Earth Sciences
Mar 3, 2023
0
7
A review of gene editing techniques suggests that the CRISPR/Cas (clustered regularly interspaced short palindromic repeats/Cas) method could be a possible "savior" for rice crops threatened by climate change and high food ...
Biotechnology
Mar 3, 2023
0
8
Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count and numerous other meteorological elements in a given region over long periods of time. Climate can be contrasted to weather, which is the present condition of these same elements over periods up to two weeks.
The climate of a location is affected by its latitude, terrain, altitude, ice or snow cover, as well as nearby water bodies and their currents. Climates can be classified according to the average and typical ranges of different variables, most commonly temperature and rainfall. The most commonly used classification scheme is the one originally developed by Wladimir Köppen. The Thornthwaite system, in use since 1948, incorporates evapotranspiration in addition to temperature and precipitation information and is used in studying animal species diversity and potential impacts of climate changes. The Bergeron and Spatial Synoptic Classification systems focus on the origin of air masses defining the climate for certain areas.
Paleoclimatology is the study and description of ancient climates. Since direct observations of climate are not available before the 19th century, paleoclimates are inferred from proxy variables that include non-biotic evidence such as sediments found in lake beds and ice cores, and biotic evidence such as tree rings and coral. Climate models are mathematical models of past, present and future climates.
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