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ScienceDaily: Top Science News |
| Young T. rexes had a powerful bite, capable of exerting one-sixth the force of an adult Posted: 02 Jun 2021 06:14 AM PDT Scientists have experimentally measured the bite force of adult T. rexes but not of younger tyrannosaurs. Fossils with juvenile bite marks have now allowed experts to experimentally test how hard juveniles could chomp. Though their bite force is one-sixth that of an adult, it is still stronger than that of living hyenas. The measurement is higher than previous estimates, suggesting a different ecological niche for these youngsters. |
| How an elephant's trunk manipulates air to eat and drink Posted: 01 Jun 2021 04:41 PM PDT New research finds that elephants dilate their nostrils in order to create more space in their trunks, allowing them to store up to nine liters of water. They can also suck up three liters per second -- a speed 50 times faster than a human sneeze. The findings could inspire different ways to building robots that manipulate air to move or hold things. |
| Scientists learn what fuels the 'natural killers' of the immune system Posted: 01 Jun 2021 01:51 PM PDT Scientists are understanding more about natural killer (NK) cells, which are your allies when it comes to fighting infections and cancer. |
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