Immature GM mosquitoes being raised in the lab. Adults from such breeding programs were released into the wild. They helped cut the rate of dengue fever in one Brazilian community.
Male valerian plants growing at 3,790 meters (12,434 feet). These males have moved to higher elevations in response to hotter, drier weather. That has caused the ratio of males to females to climb over the last 40 years.
Frigate birds, even young ones like this one, ride air currents over the ocean to stay in flight for months.
Chances are you haven’t eaten many truffles. Truffles are an aromatic, and some say delicious, part of a type of fungus that grows underground. Chefs consider truffles so valuable that a single pound of the prized food can cost thousands of dollars.
Algae: You know it when you see it. It’s the slimy green carpet that blankets the top of ponds or neglected swimming pools. It may be long strands of seaweed, sometimes used for fertilizer or food, that sway with the ocean tide. Or, algae may show up as the poisonous red tides that bloom near the coast and threaten marine life.