Category: nature

Why are some people mosquito magnets and others unbothered?

Why are some people mosquito magnets and others unbothered? A medical entomologist points to metabolism, body odor and mindset. By Jonathan Day, University […]

09/23/2022. Category: nature. Tags:

The amazing toughness of spider silk

Spider silk strands are more uniform in diameter that most man-made artifacts. Per same diameter and weight, spider silk is 5 times stronger than […]

10/12/2016. Category: nature. Tags: ,

A dozen interesting facts about roses

There are over 100 species and thousands of cultivars of roses. They vary in color, shape and size and all but one […]

10/01/2015. Category: nature. Tags:

International Day for the Preservation of the Ozone Layer

September 16 is the International Day for the Preservation of the Ozone Layer. It was proclaimed by the UN in 1974, a […]

09/16/2013. Category: nature. Tags: ,

Ecological price of a bunch of flowers

A recent study on the impact of imported flowers market on the carbon footprint of our planet revealed shocking results. The bunch […]

02/12/2013. Category: nature. Tags:

The great global climate change quick guide

Did the earth get hotter? Yes. Is it common? Yes. Since 1900, the average temperature has increased by 0.7 degrees Celsius. Over […]

03/24/2011. Category: nature. Tags:

Oil leak in Alaska’s troubled pipelines

Almost all oil production on Alaska’s North Slope remains shut down after workers on the Trans-Alaska Pipeline system discovered a leak over […]

01/11/2011. Category: nature. Tags: ,

An acre of hemp produces more paper than an acre of trees

For thousands of years, until 1883, hemp was the world’s largest agricultural crop, from which the majority of fiber, fabric, soap, lighting […]

09/22/2010. Category: nature. Tags: , ,

Lightning strikes twice

Lightning travels up to 87,000 mph (140,000 km/h). If the space shuttle could travel at those speeds, it would reach the moon […]

09/09/2010. Category: nature. Tags: , ,

You can take photographs of mirages

In a desert a mirage is caused when air near the ground is hotter than air higher up. As light from the […]

07/31/2010. Category: nature. Tags: ,

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