[00:01]sponge

[00:02]A wetland acts like a sponge that can reduce flooding

[00:06]during heavy rains and the plants inside the wildlife

[00:09]habitat filter water runoff, improving water quality.

[00:14]loyal

[00:15]In undeveloped social groups, we find very little

[00:18]formal teaching and training. These groups mainly rely

[00:22]for instilling needed dispositions into the young upon the

[00:26]same sort of association which keeps the adults loyal to

[00:30]their group.

[00:32]royal

[00:34]The reason for its inquiry is that the BBC's royal

[00:37]charter runs out in 1996 and it must decide whether to keep

[00:42]the organization as it is, or to make changes.

[00:47]lung

[00:48]Many of my family members have died from

[00:50]preventable diseases. My mother died of lung cancer

[00:54]because she smoked. My brother died of HIV-related illness.

[01:00]fungus

[01:02]About 4 billion American chestnut trees fell victim

[01:05]to a deadly fungus in the first half of the 20th century.

[01:10]Researchers have since bred what they hope are blightresistant

[01:15]trees, growing in national forests in North

[01:18]Carolina, Tennessee and Virginia.

[01:22]lure

[01:23]Our magazines feature beaming celebrities and happy

[01:26]families in perfect homes. And since these messages have an

[01:31]agenda-to lure us to open our wallets to make the very idea

[01:35]of happiness seem unreliable.