PubHawk
Anat Rec (Hoboken) June 2007 PMID 17516430

Sink or swim? Bone density as a mechanism for buoyancy control in early cetaceans.

Noel-Marie Gray, Kimberly Kainec, Sandra Madar, Lucas Tomko, Scott Wolfe

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17
Peak: 11 in Apr 2023
across 4 sources since Mar 2023

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3,799,808
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Mar 2023 – Apr 2023

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AI synopsis

What people are saying

The overall discourse demonstrates strong interest and agreement, as shown by comments referencing fossil species like Mio-Pliocene hominoids and Pleistocene Homo, highlighting their aquatic behaviors. The tone is analytical and supportive, emphasizing the importance of understanding microstructural bone changes, which underscores the perceived relevance and impact of the article in the field of evolutionary biology.

AgreementModerate agreement

Most discussions support the idea that bone density played a significant role in buoyancy adaptation in early cetaceans, showing general agreement with the publication's conclusions.

InterestHigh interest

Posts display high curiosity about evolutionary adaptations, with multiple references to ancient species and their behaviors, indicating strong interest.

EngagementModerate engagement

Participants engage by elaborating on evolutionary contexts, referencing fossil evidence, and comparing other species' adaptations, reflecting moderate depth of discussion.

ImpactModerate impact

The discussions recognize the potential significance of the findings for understanding evolution, though largely within academic contexts, indicating a moderate impact.

Abstract in brief

  • This study examines how bone microstructure in early and modern cetaceans reveals adaptations for buoyancy control, highlighting a progression from terrestrial to fully aquatic lifestyles over 10 million years.
  • Researchers found that changes in bone microstructure, such as density and composition, occurred before large-scale anatomical shifts, indicating the micro-level adaptations were crucial for the whales' transition to water.
  • The findings suggest that high bone density helps shallow-water whales maintain static buoyancy, while lower density in deep-water species aids dynamic buoyancy control, illustrating how bone structure evolved to support different aquatic environments.]
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Top posts

Most liked on X and Bluesky
牛乳
@malsamaritan · X

@00_nana_mayu_ru 空き時間で文献検索してしまいました たとえば https://t.co/SioanAyoJm

Mar 23, 2023 · 1 like · 1,208 followers View post →
まゆる
@00_nana_mayu_ru · X

@ine2019 夜の空に染まると考えるのも良いと思います。私から見えるあーるさんには、その中に星や月が見えますから。 昨日の話はこの中↓にあります https://t.co/cNe19TZpsq が私には読むの難しいです笑。 あーるさんのお好きなブラキオサウルスの骨密度の話でしたら、首の部分と尾の部分で違う、という話が

Mar 29, 2023 · 1 like · 748 followers View post →
marc verhaegen
@LittoralHomo · X

@ChrisStringer65 H.neand. were divers-waders for shellfish ... salmon? https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea "apes" were already bipedal waders-climbers: aquarboreal (aqua=water, arbor=tree) https://t.co/J9xqYqEJMA

Apr 9, 2023 · 1 like · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@LeeRberger @NatGeo ?? Au.sediba = fossil bonobo! It has 0 to with *human*evolution. Mio-Pliocene "apes" were already bipedal: waded+climbed: aquarboreal. https://t.co/J9xqYqEJMA https://t.co/b98icYANrU Pleistocene H.erectus became shallow-divers for shellfish + stone tools. https://t.co/lTN5KjyufY

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@FossilHistory @Qafzeh @calacademy Bipedality = wading !! 1) Mio-Pliocene Hominoidea were already bipedal = wading-climbing = vertical !! Aquarboreal (aqua=water, arbor=tree). https://t.co/J9xqYqEJMA https://t.co/b98icYANrU 2) Pleistocene Homo = shallow-diving for shellfish (stone tools). https://t.co/lTN5KjyufY

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@johnhawks Archaic Homo comparative anatomy: https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea = bipedal waders-climbers: aquarboreal. https://t.co/J9xqYqEJMA

Apr 9, 2023 · 13 followers View post →

All mentions

marc verhaegen
@LittoralHomo · X

@johnhawks Archaic Homo comparative anatomy: https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea = bipedal waders-climbers: aquarboreal. https://t.co/J9xqYqEJMA

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@ChrisStringer65 H.neand. were divers-waders for shellfish ... salmon? https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea "apes" were already bipedal waders-climbers: aquarboreal (aqua=water, arbor=tree) https://t.co/J9xqYqEJMA

Apr 9, 2023 · 1 like · 13 followers View post →
marc verhaegen
@LittoralHomo · X

Divergent Skull Morphology Supports 2 Trophic Specializations in Otters https://t.co/rJyGqk3PCn

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

https://t.co/vXdVuAb5sw :-) Of course: https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea = bipedal waders-climbers: aquarboreal. https://t.co/J9xqYqEJMA

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@LeeRberger @NatGeo ?? Au.sediba = fossil bonobo! It has 0 to with *human*evolution. Mio-Pliocene "apes" were already bipedal: waded+climbed: aquarboreal. https://t.co/J9xqYqEJMA https://t.co/b98icYANrU Pleistocene H.erectus became shallow-divers for shellfish + stone tools. https://t.co/lTN5KjyufY

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@LeeRberger @NatGeo ?? Au.sediba was a fossil bonobo !! Mio-Pliocene Hominoidea ("apes") were aquarboreal: they waded + climbed: already bipedal !! https://t.co/J9xqYqEJMA Pleistocene Homo erectus cs became shallow-divers for shellfish (+ stone tools): https://t.co/lTN5KjyufY https://t.co/b98icYANrU

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@Ella_AlShamahi @FossilHistory @ChrisStringer65 @tommyhigham @MDPetraglia @LeeRberger @johnhawks The worst ones, you mean?? Comparative evidence: Hominoid & human evolution: Mio-Pliocene Hominoidea were already bipedal waders-climbers: aquarboreal. https://t.co/J9xqYqEJMA https://t.co/b98icYANrU Pleistocene Homo became shallow-divers for shellfish. https://t.co/lTN5KjyufY

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@FossilHistory @Qafzeh @calacademy Bipedality = wading !! 1) Mio-Pliocene Hominoidea were already bipedal = wading-climbing = vertical !! Aquarboreal (aqua=water, arbor=tree). https://t.co/J9xqYqEJMA https://t.co/b98icYANrU 2) Pleistocene Homo = shallow-diving for shellfish (stone tools). https://t.co/lTN5KjyufY

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

@ChrisStringer65 Thanks, very interesting! https://t.co/b98icYANrU Pleistocene Homo = shallow-divers for shellfish. https://t.co/lTN5KjyufY Mio-Pliocene Hominoidea = bipedal waders-climbers: aquarboreal. https://t.co/J9xqYqEJMA

Apr 9, 2023 · 13 followers View post →
marc verhaegen
@LittoralHomo · X

Sink or swim? Bone density as a mechanism for buoyancy control in early cetaceans https://t.co/b98icYANrU

Apr 9, 2023 · 13 followers View post →
ivacheung.com
@ivacheung.com · Bluesky

https://www.youtube.com/watch?v=6pibJ83crQs

Mar 31, 2023 View post →
まゆる
@00_nana_mayu_ru · X

@ine2019 夜の空に染まると考えるのも良いと思います。私から見えるあーるさんには、その中に星や月が見えますから。 昨日の話はこの中↓にあります https://t.co/cNe19TZpsq が私には読むの難しいです笑。 あーるさんのお好きなブラキオサウルスの骨密度の話でしたら、首の部分と尾の部分で違う、という話が

Mar 29, 2023 · 1 like · 748 followers View post →
牛乳
@malsamaritan · X

@00_nana_mayu_ru 空き時間で文献検索してしまいました たとえば https://t.co/SioanAyoJm

Mar 23, 2023 · 1 like · 1,208 followers View post →