For tigers, their ability to be invisible will just decide whether they catch dinner or go hungry. 【1】As for humans, orange is a color used for items that need to stand out, like traffic lights and safety vests. That’s because we have what’s called trichromatic color vision, which ...
Almost all pufferfish contain tetrodotoxin, a substance that makes themfoul tasting and often lethal to fish. To humans, tetrodotoxin is deadly, up to 1,200 times more poisonous than cyanide. There is enough toxin in one pufferfish to kill 30 adult humans, and there is no known antidote. I...
"Even with extensive explanation, some people are a little unsure about the safety of what is being undertaken and the phrase 'so I'm a guinea pig' has been used more than once." However, by the time a drug gets to the stage of being tested on humans, the researchers have already ...
it did result in the elimination of some dangerous chemicals from certain products. For example, it caused the removal of lead from a great many children’s toys, more than 800 of them. But, this is NOT consensus science.
When Arthur Wayne,a famous ornithologist (鸟类学家),visited my father,he heard my crying and told me,“If a mockingbird finds her young baby in a cage,she will bring poisonous berries to the baby.She thinks that it is better for her young to die than to live in a cage.” Since then...
Why Is Air Pollution So Harmful? DNA May Hold the Answer 为什么空气污染如此有害?答案或许与DNA有关 The threat of air pollution grabs our attention when we see it – for example, the tendrils of smoke of Australian brush fires, now visible from space, or the poisonous soup of smog that ...
unpleasant effects to the central nervous system, and ten grams can be enough to induce coma, and even death. Mint, black pepper, and cinnamon are further examples of common herbs and spices that are pleasant and beneficial to humans in moderation, but that can be poisonous in large amounts...
“Oh, silica gel, isn’t that poisonous?” Because they’re familiar with the little silica gel packets that maybe you see in women’s purses or anywhere where you’re trying to take moisture out of the air and they’ll asy, “Do not eat.” The issue isn’t actually the silica gel...
When you move to a new home, or just go on a trip, your dog might refuse to eat, become lethargic, and sniff orlick everything around themduring the first day. It is new and unfamiliar territory, and they might become afraid of the new place, which can lead toanxiety, stress, and ...
On the coast, danger lurks beneath the water. As temperatures rise, more and more jellyfish stings are being reported and contact with weever fish is becoming more common on Sweden’s west coast. The weever is a small fish with poisonous spikes on its back. It is usually found nestling ...