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Why do lions, known as 'top predators', rarely hunt ostriches?
Although ostriches have excellent self-defense abilities, why do lions, the top predators on the African grasslands, rarely eat ostriches?
Alertness
Browse ScienceInfo articles and explainers related to Alertness.
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Articles about Alertness
19 published items.
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Drinking coffee before a nap brings great alertness
Difficulty sleeping is something no one wants and it really affects a person's sleep quality and spirit. It makes us tired, frustrated and difficult to concentrate durin…
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The US military uses algorithms to determine the most effective time to drink coffee for each person
According to research by US military experts, the algorithm can help drinkers increase 64% of alertness but do not need to drink more coffee than usual.
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The brain works best at what time of day
Scientists discovered the ability of memory, alertness, concentration, and mental activities of humans to peak at the end of the morning.
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Discovering the place that holds the soul in the human brain?
Scientists claim to have found a switch
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Yawning may be due to overheating of the brain
Unlike popular speculation for a long time, a new study found that yawning is a natural reflex that helps our body control the temperature of the brain when it is too ho…
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Chewing gum makes the brain more sensitive
Chewing gum improves the ability to think and maintain alertness, according to research by Japanese scientists.
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Drink coffee: Awake no more than 10 minutes?
It's no surprise that coffee is popular all over the world, but the caffeine in this favorite drink only works for 10 minutes.
Oceanography
Seals only sleep with half a brain
Research by Biology Professor John Peever and colleagues at the University of Toronto (Canada) and University of California (USA) has identified several types of chemica…
Science story
Caffeine affects men more
A study directed by scientists at the University of Barcelona (UB) showed that caffeine has more impact on men than women, and these effects appear only after 10 minutes.
Medicine - Health
'Overdose' nap is easy to die early?
Too indulging yourself with a 'smooth' nap routine will cause your body to face unpredictable health warnings.
Medicine - Health
Tactics to eat Lunar New Year with blood disorders
Funny Spring needs alertness, wisdom, when sedentary habits and tables of alcoholic drinks and cholesterol-rich foods will together increase dyslipidemia.
Medicine - Health
Tips to help stay awake even if you sleep less
Studies have shown that just spending a few nights sleeping 7 hours or less is enough to make our brains become less alert and react significantly slower.
Medicine - Health
'Natural Viagra' from chestnut
Chestnuts not only bring about alertness, strength for men, but also good for people with diabetes, blood pressure and heart. A kind of helpless cure for men was born fr…
Flu epidemic
APEC, Africa and the Middle East strengthen bird flu alert
Countries in the Asia-Pacific region, Africa and the Middle East have increased their alertness to bird flu after the deadly virus has recently been found in many Europe…