Nature

Humans Spent 10,000 Years in Beringia before Migrating to North America and Asia

Humans Spent 10,000 Years in Beringia before Migrating to North America and Asia

After analyzing modern languages spoken by Native Americans and people in Siberia, researchers have revealed that early humans have spent around 10,000 years in Beringia, a vast land acting as bridge between Asia and Alaska. Researchers said that about 10,000 years back, some of the Beringians migrated towards North America and some back-migrated towards their homeland in Asia.

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Biological Pump in Oceans Plays Vital Role in Global Carbon Cycle

Biological Pump in Oceans Plays Vital Role in Global Carbon Cycle

With the help of satellite images and after determining the net primary production (NPP), production of organic matter from aqueous carbon dioxide (CO2) by phytoplankton, researchers have designed a food-web-based model. They said that the biological pump of oceans absorbs oxygen from upper surface of oceans to deeper ocean by sinking the excrement released by zooplanktons and algae.

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Volcanoes Helped in Survival of Plants and Animal Species in Antarctica

Volcanoes Helped in Survival of Plants and Animal Species in Antarctica

On analyzing tens of thousands of records of Antarctic species, Dr. Ceridwen Fraser, from Australian National University and Dr. Aleks Terauds, from Australian Antarctic Division, have claimed to solve the mystery of evolution of some species through the past ice ages. Citing another example of close connection between various species and climate change, international team of researchers have revealed that steam and heat released from volcanoes helped survival of many plants and animals of ice ages.

Canada Needs to do more for Marine Life Conservation

Canada Needs to do more for Marine Conservation

Some issues have been raised regarding the steps taken by government in conserving the wildlife and marine life. Researchers from Memorial University said that marine conservation efforts are usually undertaken without setting any specific goal. They added that such efforts do not clearly target areas that are under threat.

Rodolphe Devillers, researcher at the University, said that areas of fishing and other industrial activities are under increasing threat by humans, but the government does not take right steps to conserve these areas.

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Elephants can Better Understand Human Voices

Elephants can Better Understand Human Voices

Researchers from Colorado State University have revealed that elephants can better understand human voices compared to humans. They can easily differentiate human voices which are produced for different purposes like alarms, threats etc.

Earlier, the research was conducted to understand whether the elephants of the Amboseli National Park are capable of understanding sounds produced by humans of Maasai tribes and Kamba ethnic group. Researchers were also trying to find out whether the elephants can distinguish threats posed by voices of Maasai women.

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Ontario Government proposes Bill to Stop Entry of Invasive Species

Ontario Government proposes Bill to Stop Entry of Invasive Species

A new bill has been introduced by the Ontario government, as the first stand-alone legislation of the nation, to stop entry of invasive species into the local habitats. Ontario government has taken a stand against entry of foreign invaders into the environment thus impacting ecological balance of the province.

The proposed Invasive Species Act was introduced in the Ontario legislature on February 26. This act allows early detection and eradication of invasive species from the province so as to prevent environment and habitat related issues.

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Common Mormon Butterflies Adorn Deadly Appearance to Avoid Predators

Common Mormon Butterflies Adorn Deadly Appearance to Avoid Predators

Scientists have revealed mask from the ‘mimic’ nature of females of an Asian swallowtail butterfly species, called the Common Mormon Butterflies. These butterflies use their genetic character to fend their predators by mimicking appearance of another species of butterflies that are toxic to eat.

The interesting fact is that males of these species do not mimic appearance of other species, but the females do. Females follow four different wing patterns: one resembles to that of male species and rest there mimic wing pattern of three other awful-tasting species.

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About 1,200 Square Miles Reserved in Southwest for Jaguar Conservation

About 1,200 Square Miles Reserved in Southwest for Jaguar Conservation

Federal wildlife officials have reserved an area of approximately 1,200 square miles along the US-Mexico border as habitat for jaguar conservation. The decision has been appreciated by locals as an important step towards conservation of jaguar. The U.S. Fish and Wildlife Service said that the desert scrub, mesquite grasslands and oak woodlands in the Southwest area will prove as important habitat for these creatures.

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Spectacular Footage of Stampeding Dolphins and a Baby Humpback Whale

Spectacular Footage of Stampeding Dolphins and a Baby Humpback Whale

The spectacular five-minute footage of thousands of common dolphins and a baby humpback whale stampeding off Dana Point has been captured by a drone. Dave Anderson, Captain of Dave's Dolphin and Whale Safari in Dana Point, has also recorded the video of three gray whales migrating together down the coast off San Clemente, California.

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Start of Nesting Season of Sea Turtles in Florida

Start of Nesting Season of Sea Turtles in Florida

With the start of nesting season of sea turtles in Florida, the Florida Fish and Wildlife Conservation Commission (FWC) is expecting another good turnout this year. Florida beaches are at the top of the list of hosting sites for sea turtle nests compared to any other coastline in the United States.

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