attack

This episode explores the insidious nature of chemical warfare employed by many animals. All manner of snakes, spiders, lizards and marine life have developed venoms, either as weapons of attack or defense.

How solar eruptions could threaten our society.
Watch in 1080p as massive solar eruptions take aim at our high-tech society. 93 million miles away... an angry sun vents its rage. Dark regions, called sunspots, appeared unexpectedly on its surface... a sign of rising tension within. It had been three and a half years since the sun last erupted in fury...at the peak of an 11-year cycle of solar flare-ups.

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