Plants undergoing stress, such as drought or insect
damage, use various tactics to defend themselves
and warn others of danger. Some release strong
scents, while others change color and shape. A
recent study found that stressed plants even
produce popping or clicking sounds. However,
humans cannot hear them because they are at fre...
Cockatoos are highly intelligent birds. Past studies
show that they can solve complex problems, use
tools, and even mimic human speech. Now,
researchers have discovered that these clever birds
have learned to dip bland food into sauces, possibly
to improve its taste.
Ocean shipping moves about 90 percent of global
trade, from oranges to televisions. But the industry
also produces over 3 percent of annual greenhouse
gas emissions. If nothing changes, its carbon
footprint could reach 10 percent by 2050. UK-based
startup Seabound aims to tackle this with a device
that can capture up to 95 percent of a ship’s emis...
After spending months spinning in the Antarctic
waters, A23a, the world’s largest iceberg, is on the
move again. This massive chunk of ice covers 1,418
square miles (3,673 sq. km). This is more than twice
the size of the city of London. It weighs over a trillion
tons and is about 1,312 feet (400 m) thick.
